23132212 has 6 divisors (see below), whose sum is σ = 40481378. Its totient is φ = 11566104.

The previous prime is 23132209. The next prime is 23132233. The reversal of 23132212 is 21223132.

It can be written as a sum of positive squares in only one way, i.e., 18696976 + 4435236 = 4324^2 + 2106^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2891523 + ... + 2891530.

Almost surely, 2^23132212 is an apocalyptic number.

It is an amenable number.

23132212 is a deficient number, since it is larger than the sum of its proper divisors (17349166).

23132212 is a wasteful number, since it uses less digits than its factorization.

23132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783057 (or 5783055 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 23132212 is about 4809.5958250148. The cubic root of 23132212 is about 284.9305750667.

Adding to 23132212 its reverse (21223132), we get a palindrome (44355344).

The spelling of 23132212 in words is "twenty-three million, one hundred thirty-two thousand, two hundred twelve".