23256351 has 24 divisors (see below), whose sum is σ = 34384896. Its totient is φ = 15143760.

The previous prime is 23256319. The next prime is 23256371. The reversal of 23256351 is 15365232.

23256351 is a `hidden beast` number, since 2 + 3 + 25 + 635 + 1 = 666.

It is not a de Polignac number, because 23256351 - 2⁵ = 23256319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23256371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121666 + ... + 121856.

It is an arithmetic number, because the mean of its divisors is an integer number (1432704).

Almost surely, 2^23256351 is an apocalyptic number.

23256351 is a deficient number, since it is larger than the sum of its proper divisors (11128545).

23256351 is a wasteful number, since it uses less digits than its factorization.

23256351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 440 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 23256351 is about 4822.4839035501. The cubic root of 23256351 is about 285.4393592651.

The spelling of 23256351 in words is "twenty-three million, two hundred fifty-six thousand, three hundred fifty-one".