23183212 has 24 divisors (see below), whose sum is σ = 43840496. Its totient is φ = 10663488.

The previous prime is 23183197. The next prime is 23183213. The reversal of 23183212 is 21238132.

It is a super-2 number, since 2×23183212² = 1074922637273888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23183213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20083 + ... + 21205.

Almost surely, 2^23183212 is an apocalyptic number.

It is an amenable number.

23183212 is a deficient number, since it is larger than the sum of its proper divisors (20657284).

23183212 is a wasteful number, since it uses less digits than its factorization.

23183212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1535 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 23183212 is about 4814.8948067429. The cubic root of 23183212 is about 285.1398185398.

The spelling of 23183212 in words is "twenty-three million, one hundred eighty-three thousand, two hundred twelve".