23923400 has 24 divisors (see below), whose sum is σ = 55622370. Its totient is φ = 9569280.

The previous prime is 23923397. The next prime is 23923421. The reversal of 23923400 is 432932.

It can be written as a sum of positive squares in 3 ways, for example, as 18438436 + 5484964 = 4294^2 + 2342^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 59609 + ... + 60008.

Almost surely, 2^23923400 is an apocalyptic number.

23923400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23923400 is an abundant number, since it is smaller than the sum of its proper divisors (31698970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23923400 is a wasteful number, since it uses less digits than its factorization.

23923400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119633 (or 119624 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23923400 is about 4891.1552827527. The cubic root of 23923400 is about 288.1427083380.

The spelling of 23923400 in words is "twenty-three million, nine hundred twenty-three thousand, four hundred".