23159568402 has 96 divisors (see below), whose sum is σ = 52812055296. Its totient is φ = 7326547200.

The previous prime is 23159568379. The next prime is 23159568409. The reversal of 23159568402 is 20486595132.

23159568402 is a `hidden beast` number, since 2 + 31 + 59 + 568 + 4 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (23159568409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8598568 + ... + 8601260.

It is an arithmetic number, because the mean of its divisors is an integer number (550125576).

Almost surely, 2^23159568402 is an apocalyptic number.

23159568402 is an abundant number, since it is smaller than the sum of its proper divisors (29652486894).

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

23159568402 is a wasteful number, since it uses less digits than its factorization.

23159568402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056 (or 3053 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 23159568402 in words is "twenty-three billion, one hundred fifty-nine million, five hundred sixty-eight thousand, four hundred two".