23456813568 has 40 divisors (see below), whose sum is σ = 62490421488. Its totient is φ = 7818937344.

The previous prime is 23456813563. The next prime is 23456813587. The reversal of 23456813568 is 86531865432.

It is a self number, because there is not a number n which added to its sum of digits gives 23456813568.

It is not an unprimeable number, because it can be changed into a prime (23456813563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7634146 + ... + 7637217.

Almost surely, 2^23456813568 is an apocalyptic number.

It is an amenable number.

23456813568 is an abundant number, since it is smaller than the sum of its proper divisors (39033607920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23456813568 is an equidigital number, since it uses as much as digits as its factorization.

23456813568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271384 (or 15271368 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The spelling of 23456813568 in words is "twenty-three billion, four hundred fifty-six million, eight hundred thirteen thousand, five hundred sixty-eight".