23118768566538 has 16 divisors (see below), whose sum is σ = 46237833041760. Its totient is φ = 7706206870736.

The previous prime is 23118768566503. The next prime is 23118768566561. The reversal of 23118768566538 is 83566586781132.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 11307345 + ... + 13194452.

It is an arithmetic number, because the mean of its divisors is an integer number (2889864565110).

Almost surely, 2^{23118768566538} is an apocalyptic number.

23118768566538 is an abundant number, since it is smaller than the sum of its proper divisors (23119064475222).

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

23118768566538 is a wasteful number, since it uses less digits than its factorization.

23118768566538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24659061.

The product of its digits is 348364800, while the sum is 69.

The spelling of 23118768566538 in words is "twenty-three trillion, one hundred eighteen billion, seven hundred sixty-eight million, five hundred sixty-six thousand, five hundred thirty-eight".