23557902368 has 432 divisors, whose sum is σ = 65259673920. Its totient is φ = 8184084480.

The previous prime is 23557902349. The next prime is 23557902409. The reversal of 23557902368 is 86320975532.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 169481243 + ... + 169481381.

It is an arithmetic number, because the mean of its divisors is an integer number (151064060).

Almost surely, 2^23557902368 is an apocalyptic number.

23557902368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23557902368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32629836960).

23557902368 is an abundant number, since it is smaller than the sum of its proper divisors (41701771552).

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

23557902368 is a wasteful number, since it uses less digits than its factorization.

23557902368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 23557902368 in words is "twenty-three billion, five hundred fifty-seven million, nine hundred two thousand, three hundred sixty-eight".