23183215836 has 24 divisors (see below), whose sum is σ = 59011822464. Its totient is φ = 7025216880.

The previous prime is 23183215789. The next prime is 23183215879. The reversal of 23183215836 is 63851238132.

It is a happy number.

It is a super-2 number, since 2×23183215836² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 87815080 + ... + 87815343.

It is an arithmetic number, because the mean of its divisors is an integer number (2458825936).

Almost surely, 2^23183215836 is an apocalyptic number.

It is an amenable number.

23183215836 is an abundant number, since it is smaller than the sum of its proper divisors (35828606628).

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

23183215836 is a wasteful number, since it uses less digits than its factorization.

23183215836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175630441 (or 175630439 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The spelling of 23183215836 in words is "twenty-three billion, one hundred eighty-three million, two hundred fifteen thousand, eight hundred thirty-six".