23826138172 has 6 divisors (see below), whose sum is σ = 41695741808. Its totient is φ = 11913069084.

The previous prime is 23826138157. The next prime is 23826138233. The reversal of 23826138172 is 27183162832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2978267268 + ... + 2978267275.

Almost surely, 2^23826138172 is an apocalyptic number.

It is an amenable number.

23826138172 is a deficient number, since it is larger than the sum of its proper divisors (17869603636).

23826138172 is a wasteful number, since it uses less digits than its factorization.

23826138172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956534547 (or 5956534545 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The spelling of 23826138172 in words is "twenty-three billion, eight hundred twenty-six million, one hundred thirty-eight thousand, one hundred seventy-two".