23479900 has 18 divisors (see below), whose sum is σ = 50951600. Its totient is φ = 9391920.

The previous prime is 23479889. The next prime is 23479933. The reversal of 23479900 is 997432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117300 + ... + 117499.

Almost surely, 2^23479900 is an apocalyptic number.

23479900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23479900 is an abundant number, since it is smaller than the sum of its proper divisors (27471700).

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

23479900 is a wasteful number, since it uses less digits than its factorization.

23479900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234813 (or 234806 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 23479900 is about 4845.6062572190. The cubic root of 23479900 is about 286.3510287096.

The spelling of 23479900 in words is "twenty-three million, four hundred seventy-nine thousand, nine hundred".