23965115281 has 2 divisors, whose sum is σ = 23965115282. Its totient is φ = 23965115280.

The previous prime is 23965115249. The next prime is 23965115333. The reversal of 23965115281 is 18251156932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21542900625 + 2422214656 = 146775^2 + 49216^2 .

It is a cyclic number.

It is not a de Polignac number, because 23965115281 - 2⁵ = 23965115249 is a prime.

It is a super-2 number, since 2×23965115281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23965115981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11982557640 + 11982557641.

It is an arithmetic number, because the mean of its divisors is an integer number (11982557641).

Almost surely, 2^23965115281 is an apocalyptic number.

It is an amenable number.

23965115281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23965115281 is an equidigital number, since it uses as much as digits as its factorization.

23965115281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 43.

The spelling of 23965115281 in words is "twenty-three billion, nine hundred sixty-five million, one hundred fifteen thousand, two hundred eighty-one".