23720857496 has 64 divisors (see below), whose sum is σ = 53532057600. Its totient is φ = 9626280192.

The previous prime is 23720857493. The next prime is 23720857529. The reversal of 23720857496 is 69475802732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23720857493) 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, 2854820 + ... + 2863116.

It is an arithmetic number, because the mean of its divisors is an integer number (836438400).

Almost surely, 2^23720857496 is an apocalyptic number.

It is an amenable number.

23720857496 is an abundant number, since it is smaller than the sum of its proper divisors (29811200104).

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

23720857496 is a wasteful number, since it uses less digits than its factorization.

23720857496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016 (or 11012 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 23720857496 in words is "twenty-three billion, seven hundred twenty million, eight hundred fifty-seven thousand, four hundred ninety-six".