23557775212 has 12 divisors (see below), whose sum is σ = 41315151136. Its totient is φ = 11753446320.

The previous prime is 23557775179. The next prime is 23557775237. The reversal of 23557775212 is 21257775532.

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, 6358239 + ... + 6361942.

Almost surely, 2^23557775212 is an apocalyptic number.

It is an amenable number.

23557775212 is a deficient number, since it is larger than the sum of its proper divisors (17757375924).

23557775212 is a wasteful number, since it uses less digits than its factorization.

23557775212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720648 (or 12720646 counting only the distinct ones).

The product of its digits is 1029000, while the sum is 46.

The spelling of 23557775212 in words is "twenty-three billion, five hundred fifty-seven million, seven hundred seventy-five thousand, two hundred twelve".