23718239971 has 2 divisors, whose sum is σ = 23718239972. Its totient is φ = 23718239970.

The previous prime is 23718239939. The next prime is 23718240041. The reversal of 23718239971 is 17993281732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23718239971 - 2⁵ = 23718239939 is a prime.

It is not a weakly prime, because it can be changed into another prime (23718239921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11859119985 + 11859119986.

It is an arithmetic number, because the mean of its divisors is an integer number (11859119986).

Almost surely, 2^23718239971 is an apocalyptic number.

23718239971 is a deficient number, since it is larger than the sum of its proper divisors (1).

23718239971 is an equidigital number, since it uses as much as digits as its factorization.

23718239971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 52.

The spelling of 23718239971 in words is "twenty-three billion, seven hundred eighteen million, two hundred thirty-nine thousand, nine hundred seventy-one".