23715729500977 has 2 divisors, whose sum is σ = 23715729500978. Its totient is φ = 23715729500976.

The previous prime is 23715729500929. The next prime is 23715729501007. The reversal of 23715729500977 is 77900592751732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23635776848896 + 79952652081 = 4861664^2 + 282759^2 .

It is a cyclic number.

It is not a de Polignac number, because 23715729500977 - 2²⁷ = 23715595283249 is a prime.

It is not a weakly prime, because it can be changed into another prime (23715729500917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11857864750488 + 11857864750489.

It is an arithmetic number, because the mean of its divisors is an integer number (11857864750489).

Almost surely, 2^{23715729500977} is an apocalyptic number.

It is an amenable number.

23715729500977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23715729500977 is an equidigital number, since it uses as much as digits as its factorization.

23715729500977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58344300, while the sum is 64.

The spelling of 23715729500977 in words is "twenty-three trillion, seven hundred fifteen billion, seven hundred twenty-nine million, five hundred thousand, nine hundred seventy-seven".