23676971281 has 2 divisors, whose sum is σ = 23676971282. Its totient is φ = 23676971280.

The previous prime is 23676971273. The next prime is 23676971293. The reversal of 23676971281 is 18217967632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18944769600 + 4732201681 = 137640^2 + 68791^2 .

It is a cyclic number.

It is not a de Polignac number, because 23676971281 - 2³ = 23676971273 is a prime.

It is a super-2 number, since 2×23676971281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23676971251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11838485640 + 11838485641.

It is an arithmetic number, because the mean of its divisors is an integer number (11838485641).

Almost surely, 2^23676971281 is an apocalyptic number.

It is an amenable number.

23676971281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23676971281 is an equidigital number, since it uses as much as digits as its factorization.

23676971281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The spelling of 23676971281 in words is "twenty-three billion, six hundred seventy-six million, nine hundred seventy-one thousand, two hundred eighty-one".