23939924 has 24 divisors (see below), whose sum is σ = 44301600. Its totient is φ = 11288160.

The previous prime is 23939921. The next prime is 23939953. The reversal of 23939924 is 42993932.

It is a super-2 number, since 2×23939924² = 1146239922251552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23939921) 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 in 7 ways as a sum of consecutive naturals, for example, 19859 + ... + 21029.

It is an arithmetic number, because the mean of its divisors is an integer number (1845900).

Almost surely, 2^23939924 is an apocalyptic number.

It is an amenable number.

23939924 is a deficient number, since it is larger than the sum of its proper divisors (20361676).

23939924 is a wasteful number, since it uses less digits than its factorization.

23939924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1461 counting only the distinct ones).

The product of its digits is 104976, while the sum is 41.

The square root of 23939924 is about 4892.8441626522. The cubic root of 23939924 is about 288.2090335582.

The spelling of 23939924 in words is "twenty-three million, nine hundred thirty-nine thousand, nine hundred twenty-four".