23994280 has 16 divisors (see below), whose sum is σ = 53987220. Its totient is φ = 9597696.

The previous prime is 23994263. The next prime is 23994323. The reversal of 23994280 is 8249932.

It can be written as a sum of positive squares in 2 ways, for example, as 23561316 + 432964 = 4854^2 + 658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299889 + ... + 299968.

Almost surely, 2^23994280 is an apocalyptic number.

23994280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23994280 is an abundant number, since it is smaller than the sum of its proper divisors (29992940).

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

23994280 is a wasteful number, since it uses less digits than its factorization.

23994280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599868 (or 599864 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 23994280 is about 4898.3956557224. The cubic root of 23994280 is about 288.4269964975.

The spelling of 23994280 in words is "twenty-three million, nine hundred ninety-four thousand, two hundred eighty".