23313212 has 18 divisors (see below), whose sum is σ = 44179128. Its totient is φ = 10759632.

The previous prime is 23313211. The next prime is 23313259. The reversal of 23313212 is 21231332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16568 + ... + 17919.

It is an arithmetic number, because the mean of its divisors is an integer number (2454396).

Almost surely, 2^23313212 is an apocalyptic number.

It is an amenable number.

23313212 is a deficient number, since it is larger than the sum of its proper divisors (20865916).

23313212 is a wasteful number, since it uses less digits than its factorization.

23313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34517 (or 34502 counting only the distinct ones).

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

The square root of 23313212 is about 4828.3757103192. The cubic root of 23313212 is about 285.6717998255.

Adding to 23313212 its reverse (21231332), we get a palindrome (44544544).

The spelling of 23313212 in words is "twenty-three million, three hundred thirteen thousand, two hundred twelve".