23645054681 has 2 divisors, whose sum is σ = 23645054682. Its totient is φ = 23645054680.

The previous prime is 23645054617. The next prime is 23645054717. The reversal of 23645054681 is 18645054632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15752509081 + 7892545600 = 125509^2 + 88840^2 .

It is a cyclic number.

It is not a de Polignac number, because 23645054681 - 2⁶ = 23645054617 is a prime.

It is a super-2 number, since 2×23645054681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23645054581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11822527340 + 11822527341.

It is an arithmetic number, because the mean of its divisors is an integer number (11822527341).

Almost surely, 2^23645054681 is an apocalyptic number.

It is an amenable number.

23645054681 is a deficient number, since it is larger than the sum of its proper divisors (1).

23645054681 is an equidigital number, since it uses as much as digits as its factorization.

23645054681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 23645054681 in words is "twenty-three billion, six hundred forty-five million, fifty-four thousand, six hundred eighty-one".