23557383406884 has 12 divisors (see below), whose sum is σ = 54967227949424. Its totient is φ = 7852461135624.

The previous prime is 23557383406829. The next prime is 23557383406943. The reversal of 23557383406884 is 48860438375532.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×23557383406884² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981557641942 + ... + 981557641965.

Almost surely, 2^{23557383406884} is an apocalyptic number.

It is an amenable number.

23557383406884 is an abundant number, since it is smaller than the sum of its proper divisors (31409844542540).

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

23557383406884 is a wasteful number, since it uses less digits than its factorization.

23557383406884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963115283914 (or 1963115283912 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 66.

The spelling of 23557383406884 in words is "twenty-three trillion, five hundred fifty-seven billion, three hundred eighty-three million, four hundred six thousand, eight hundred eighty-four".