23318432 has 12 divisors (see below), whose sum is σ = 45908226. Its totient is φ = 11659200.

The previous prime is 23318431. The next prime is 23318443. The reversal of 23318432 is 23481332.

It can be written as a sum of positive squares in only one way, i.e., 22619536 + 698896 = 4756^2 + 836^2 .

It is not an unprimeable number, because it can be changed into a prime (23318431) by changing a digit.

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, 364319 + ... + 364382.

Almost surely, 2^23318432 is an apocalyptic number.

It is an amenable number.

23318432 is a deficient number, since it is larger than the sum of its proper divisors (22589794).

23318432 is an equidigital number, since it uses as much as digits as its factorization.

23318432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728711 (or 728703 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 23318432 is about 4828.9162345189. The cubic root of 23318432 is about 285.6931195749.

Adding to 23318432 its reverse (23481332), we get a palindrome (46799764).

The spelling of 23318432 in words is "twenty-three million, three hundred eighteen thousand, four hundred thirty-two".