23553178612 has 12 divisors (see below), whose sum is σ = 43010152416. Its totient is φ = 11264563640.

The previous prime is 23553178609. The next prime is 23553178631. The reversal of 23553178612 is 21687135532.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128006314 + ... + 128006497.

It is an arithmetic number, because the mean of its divisors is an integer number (3584179368).

Almost surely, 2^23553178612 is an apocalyptic number.

It is an amenable number.

23553178612 is a deficient number, since it is larger than the sum of its proper divisors (19456973804).

23553178612 is a wasteful number, since it uses less digits than its factorization.

23553178612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256012838 (or 256012836 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The spelling of 23553178612 in words is "twenty-three billion, five hundred fifty-three million, one hundred seventy-eight thousand, six hundred twelve".