23987400 has 48 divisors (see below), whose sum is σ = 74362800. Its totient is φ = 6396480.

The previous prime is 23987389. The next prime is 23987423. The reversal of 23987400 is 478932.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19390 + ... + 20589.

It is an arithmetic number, because the mean of its divisors is an integer number (1549225).

Almost surely, 2^23987400 is an apocalyptic number.

23987400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23987400 is an abundant number, since it is smaller than the sum of its proper divisors (50375400).

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

23987400 is a wasteful number, since it uses less digits than its factorization.

23987400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39998 (or 39989 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 23987400 is about 4897.6933346219. The cubic root of 23987400 is about 288.3994264902.

The spelling of 23987400 in words is "twenty-three million, nine hundred eighty-seven thousand, four hundred".