23133212 has 12 divisors (see below), whose sum is σ = 41344800. Its totient is φ = 11320416.

The previous prime is 23133199. The next prime is 23133263. The reversal of 23133212 is 21233132.

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, 61337 + ... + 61712.

It is an arithmetic number, because the mean of its divisors is an integer number (3445400).

Almost surely, 2^23133212 is an apocalyptic number.

It is an amenable number.

23133212 is a deficient number, since it is larger than the sum of its proper divisors (18211588).

23133212 is a wasteful number, since it uses less digits than its factorization.

23133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123100 (or 123098 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 23133212 is about 4809.6997827307. The cubic root of 23133212 is about 284.9346808345.

Adding to 23133212 its reverse (21233132), we get a palindrome (44366344).

The spelling of 23133212 in words is "twenty-three million, one hundred thirty-three thousand, two hundred twelve".