23934240456 has 32 divisors (see below), whose sum is σ = 68383544640. Its totient is φ = 6838354368.

The previous prime is 23934240443. The next prime is 23934240457. The reversal of 23934240456 is 65404243932.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (23934240457) 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, 71232691 + ... + 71233026.

It is an arithmetic number, because the mean of its divisors is an integer number (2136985770).

Almost surely, 2^23934240456 is an apocalyptic number.

It is an amenable number.

23934240456 is an abundant number, since it is smaller than the sum of its proper divisors (44449304184).

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

23934240456 is a wasteful number, since it uses less digits than its factorization.

23934240456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142465733 (or 142465729 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 23934240456 in words is "twenty-three billion, nine hundred thirty-four million, two hundred forty thousand, four hundred fifty-six".