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103143423 = 335397397
BaseRepresentation
bin1100010010111…
…01011111111111
321012002020011210
412021131133333
5202401042143
614122415503
72361463455
oct611353777
9235066153
10103143423
11532491a9
122a661593
13184a4516
14d9ac9d5
1590c6033
hex625d7ff

103143423 has 8 divisors (see below), whose sum is σ = 137915568. Its totient is φ = 68566784.

The previous prime is 103143407. The next prime is 103143451. The reversal of 103143423 is 324341301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103143423 - 24 = 103143407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103143423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103143463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47640 + ... + 49757.

It is an arithmetic number, because the mean of its divisors is an integer number (17239446).

Almost surely, 2103143423 is an apocalyptic number.

103143423 is a deficient number, since it is larger than the sum of its proper divisors (34772145).

103143423 is an equidigital number, since it uses as much as digits as its factorization.

103143423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97753.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 103143423 is about 10155.9550511018. The cubic root of 103143423 is about 468.9722873895.

Adding to 103143423 its reverse (324341301), we get a palindrome (427484724).

The spelling of 103143423 in words is "one hundred three million, one hundred forty-three thousand, four hundred twenty-three".

Divisors: 1 3 353 1059 97397 292191 34381141 103143423