23109872456 has 32 divisors (see below), whose sum is σ = 47293092000. Its totient is φ = 10499399040.

The previous prime is 23109872417. The next prime is 23109872479. The reversal of 23109872456 is 65427890132.

It is a self number, because there is not a number n which added to its sum of digits gives 23109872456.

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, 122156 + ... + 247268.

It is an arithmetic number, because the mean of its divisors is an integer number (1477909125).

It is a 1-persistent number, because it is pandigital, but 2⋅23109872456 = 46219744912 is not.

Almost surely, 2^23109872456 is an apocalyptic number.

It is an amenable number.

23109872456 is an abundant number, since it is smaller than the sum of its proper divisors (24183219544).

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

23109872456 is a wasteful number, since it uses less digits than its factorization.

23109872456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127229 (or 127225 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 23109872456 in words is "twenty-three billion, one hundred nine million, eight hundred seventy-two thousand, four hundred fifty-six".