23918071876081 has 2 divisors, whose sum is σ = 23918071876082. Its totient is φ = 23918071876080.

The previous prime is 23918071876057. The next prime is 23918071876157. The reversal of 23918071876081 is 18067817081932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14969478259681 + 8948593616400 = 3869041^2 + 2991420^2 .

It is a cyclic number.

It is not a de Polignac number, because 23918071876081 - 2⁷ = 23918071875953 is a prime.

It is a super-2 number, since 2×23918071876081² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23918071876031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11959035938040 + 11959035938041.

It is an arithmetic number, because the mean of its divisors is an integer number (11959035938041).

Almost surely, 2^{23918071876081} is an apocalyptic number.

It is an amenable number.

23918071876081 is a deficient number, since it is larger than the sum of its proper divisors (1).

23918071876081 is an equidigital number, since it uses as much as digits as its factorization.

23918071876081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 61.

The spelling of 23918071876081 in words is "twenty-three trillion, nine hundred eighteen billion, seventy-one million, eight hundred seventy-six thousand, eighty-one".