23440504 has 16 divisors (see below), whose sum is σ = 44973720. Its totient is φ = 11447520.

The previous prime is 23440489. The next prime is 23440511. The reversal of 23440504 is 40504432.

It is a happy number.

It is a zygodrome in base 3.

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 in 3 ways as a sum of consecutive naturals, for example, 33727 + ... + 34414.

Almost surely, 2^23440504 is an apocalyptic number.

It is an amenable number.

23440504 is a deficient number, since it is larger than the sum of its proper divisors (21533216).

23440504 is a wasteful number, since it uses less digits than its factorization.

23440504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68190 (or 68186 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 23440504 is about 4841.5394246045. The cubic root of 23440504 is about 286.1907866816.

Adding to 23440504 its reverse (40504432), we get a palindrome (63944936).

The spelling of 23440504 in words is "twenty-three million, four hundred forty thousand, five hundred four".