23718971 has 2 divisors, whose sum is σ = 23718972. Its totient is φ = 23718970.

The previous prime is 23718917. The next prime is 23718977. The reversal of 23718971 is 17981732.

Together with previous prime (23718917) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23718971 - 2⁶ = 23718907 is a prime.

It is not a weakly prime, because it can be changed into another prime (23718977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11859485 + 11859486.

It is an arithmetic number, because the mean of its divisors is an integer number (11859486).

Almost surely, 2^23718971 is an apocalyptic number.

23718971 is a deficient number, since it is larger than the sum of its proper divisors (1).

23718971 is an equidigital number, since it uses as much as digits as its factorization.

23718971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 38.

The square root of 23718971 is about 4870.2126236952. The cubic root of 23718971 is about 287.3196186711.

The spelling of 23718971 in words is "twenty-three million, seven hundred eighteen thousand, nine hundred seventy-one".