23520212 has 6 divisors (see below), whose sum is σ = 41160378. Its totient is φ = 11760104.

The previous prime is 23520209. The next prime is 23520221. The reversal of 23520212 is 21202532.

It can be written as a sum of positive squares in only one way, i.e., 21659716 + 1860496 = 4654^2 + 1364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2940023 + ... + 2940030.

It is an arithmetic number, because the mean of its divisors is an integer number (6860063).

Almost surely, 2^23520212 is an apocalyptic number.

It is an amenable number.

23520212 is a deficient number, since it is larger than the sum of its proper divisors (17640166).

23520212 is a wasteful number, since it uses less digits than its factorization.

23520212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880057 (or 5880055 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23520212 is about 4849.7641179752. The cubic root of 23520212 is about 286.5148111049.

Adding to 23520212 its reverse (21202532), we get a palindrome (44722744).

It can be divided in two parts, 23520 and 212, that added together give a palindrome (23732).

The spelling of 23520212 in words is "twenty-three million, five hundred twenty thousand, two hundred twelve".