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230126423 = 1931390707
BaseRepresentation
bin11011011011101…
…11001101010111
3121001000122002212
431231313031113
5432403021143
634500224035
75463020342
oct1555671527
9531018085
10230126423
1110899a42a
126509b01b
13388a49a7
14227c5459
151530a918
hexdb77357

230126423 has 8 divisors (see below), whose sum is σ = 250053120. Its totient is φ = 210981240.

The previous prime is 230126363. The next prime is 230126531. The reversal of 230126423 is 324621032.

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 230126423 - 212 = 230122327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230126623) 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, 194765 + ... + 195942.

It is an arithmetic number, because the mean of its divisors is an integer number (31256640).

Almost surely, 2230126423 is an apocalyptic number.

230126423 is a deficient number, since it is larger than the sum of its proper divisors (19926697).

230126423 is a wasteful number, since it uses less digits than its factorization.

230126423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390757.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 230126423 is about 15169.9183583828. The cubic root of 230126423 is about 612.8048055587.

Adding to 230126423 its reverse (324621032), we get a palindrome (554747455).

The spelling of 230126423 in words is "two hundred thirty million, one hundred twenty-six thousand, four hundred twenty-three".

Divisors: 1 19 31 589 390707 7423433 12111917 230126423