23497288136 has 32 divisors (see below), whose sum is σ = 50372202240. Its totient is φ = 10066092288.

The previous prime is 23497288121. The next prime is 23497288153. The reversal of 23497288136 is 63188279432.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51296 + ... + 222768.

It is an arithmetic number, because the mean of its divisors is an integer number (1574131320).

Almost surely, 2^23497288136 is an apocalyptic number.

It is an amenable number.

23497288136 is an abundant number, since it is smaller than the sum of its proper divisors (26874914104).

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

23497288136 is a wasteful number, since it uses less digits than its factorization.

23497288136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173933 (or 173929 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The spelling of 23497288136 in words is "twenty-three billion, four hundred ninety-seven million, two hundred eighty-eight thousand, one hundred thirty-six".