23924987 has 2 divisors, whose sum is σ = 23924988. Its totient is φ = 23924986.

The previous prime is 23924983. The next prime is 23925007. The reversal of 23924987 is 78942932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23924987 - 2² = 23924983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23924983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11962493 + 11962494.

It is an arithmetic number, because the mean of its divisors is an integer number (11962494).

Almost surely, 2^23924987 is an apocalyptic number.

23924987 is a deficient number, since it is larger than the sum of its proper divisors (1).

23924987 is an equidigital number, since it uses as much as digits as its factorization.

23924987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 23924987 is about 4891.3175116731. The cubic root of 23924987 is about 288.1490796783.

The spelling of 23924987 in words is "twenty-three million, nine hundred twenty-four thousand, nine hundred eighty-seven".