23133916 has 12 divisors (see below), whose sum is σ = 43598632. Its totient is φ = 10677168.

The previous prime is 23133899. The next prime is 23133937. The reversal of 23133916 is 61933132.

It is a congruent number.

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, 222390 + ... + 222493.

Almost surely, 2^23133916 is an apocalyptic number.

23133916 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23133916 is a deficient number, since it is larger than the sum of its proper divisors (20464716).

23133916 is a wasteful number, since it uses less digits than its factorization.

23133916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444900 (or 444898 counting only the distinct ones).

The product of its digits is 2916, while the sum is 28.

The square root of 23133916 is about 4809.7729676150. The cubic root of 23133916 is about 284.9375712240.

The spelling of 23133916 in words is "twenty-three million, one hundred thirty-three thousand, nine hundred sixteen".