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12423823 = 37479701
BaseRepresentation
bin101111011001…
…001010001111
3212101012021121
4233121022033
511140030243
61122141411
7210413026
oct57311217
925335247
1012423823
117016225
1241b1867
13275cb99
1419158bd
1511561ed
hexbd928f

12423823 has 8 divisors (see below), whose sum is σ = 12804480. Its totient is φ = 12045600.

The previous prime is 12423811. The next prime is 12423833. The reversal of 12423823 is 32832421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12423823 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 (12423833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17373 + ... + 18073.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 212423823 is an apocalyptic number.

12423823 is a deficient number, since it is larger than the sum of its proper divisors (380657).

12423823 is an equidigital number, since it uses as much as digits as its factorization.

12423823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217.

The product of its digits is 2304, while the sum is 25.

The square root of 12423823 is about 3524.7443878954. The cubic root of 12423823 is about 231.6070376584.

The spelling of 12423823 in words is "twelve million, four hundred twenty-three thousand, eight hundred twenty-three".

Divisors: 1 37 479 701 17723 25937 335779 12423823