23313232 has 10 divisors (see below), whose sum is σ = 45169418. Its totient is φ = 11656608.

The previous prime is 23313211. The next prime is 23313259. The reversal of 23313232 is 23231332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18455616 + 4857616 = 4296^2 + 2204^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728523 + ... + 728554.

Almost surely, 2^23313232 is an apocalyptic number.

It is an amenable number.

23313232 is a deficient number, since it is larger than the sum of its proper divisors (21856186).

23313232 is a wasteful number, since it uses less digits than its factorization.

23313232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457085 (or 1457079 counting only the distinct ones).

The product of its digits is 648, while the sum is 19.

The square root of 23313232 is about 4828.3777814086. The cubic root of 23313232 is about 285.6718815164.

Adding to 23313232 its reverse (23231332), we get a palindrome (46544564).

The spelling of 23313232 in words is "twenty-three million, three hundred thirteen thousand, two hundred thirty-two".