23994979 has 2 divisors, whose sum is σ = 23994980. Its totient is φ = 23994978.

The previous prime is 23994959. The next prime is 23994991. The reversal of 23994979 is 97949932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23994979 - 2⁷ = 23994851 is a prime.

It is not a weakly prime, because it can be changed into another prime (23994959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11997489 + 11997490.

It is an arithmetic number, because the mean of its divisors is an integer number (11997490).

Almost surely, 2^23994979 is an apocalyptic number.

23994979 is a deficient number, since it is larger than the sum of its proper divisors (1).

23994979 is an equidigital number, since it uses as much as digits as its factorization.

23994979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 52.

The square root of 23994979 is about 4898.4670050946. The cubic root of 23994979 is about 288.4297972833.

The spelling of 23994979 in words is "twenty-three million, nine hundred ninety-four thousand, nine hundred seventy-nine".