23753965913 has 2 divisors, whose sum is σ = 23753965914. Its totient is φ = 23753965912.

The previous prime is 23753965871. The next prime is 23753965919. The reversal of 23753965913 is 31956935732.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23738181184 + 15784729 = 154072^2 + 3973^2 .

It is a cyclic number.

It is not a de Polignac number, because 23753965913 - 2⁸ = 23753965657 is a prime.

It is not a weakly prime, because it can be changed into another prime (23753965919) 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, 11876982956 + 11876982957.

It is an arithmetic number, because the mean of its divisors is an integer number (11876982957).

Almost surely, 2^23753965913 is an apocalyptic number.

It is an amenable number.

23753965913 is a deficient number, since it is larger than the sum of its proper divisors (1).

23753965913 is an equidigital number, since it uses as much as digits as its factorization.

23753965913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4592700, while the sum is 53.

The spelling of 23753965913 in words is "twenty-three billion, seven hundred fifty-three million, nine hundred sixty-five thousand, nine hundred thirteen".