23657086257 has 16 divisors (see below), whose sum is σ = 37946204160. Its totient is φ = 12806843472.

The previous prime is 23657086207. The next prime is 23657086283. The reversal of 23657086257 is 75268075632.

It is a happy number.

It is not a de Polignac number, because 23657086257 - 2¹² = 23657082161 is a prime.

It is a super-2 number, since 2×23657086257² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23657086207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29645073 + ... + 29645870.

It is an arithmetic number, because the mean of its divisors is an integer number (2371637760).

Almost surely, 2^23657086257 is an apocalyptic number.

It is an amenable number.

23657086257 is a deficient number, since it is larger than the sum of its proper divisors (14289117903).

23657086257 is a wasteful number, since it uses less digits than its factorization.

23657086257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59290972.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 23657086257 in words is "twenty-three billion, six hundred fifty-seven million, eighty-six thousand, two hundred fifty-seven".