23666595313 has 2 divisors, whose sum is σ = 23666595314. Its totient is φ = 23666595312.

The previous prime is 23666595287. The next prime is 23666595319. The reversal of 23666595313 is 31359566632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19473644304 + 4192951009 = 139548^2 + 64753^2 .

It is a cyclic number.

It is not a de Polignac number, because 23666595313 - 2⁹ = 23666594801 is a prime.

It is not a weakly prime, because it can be changed into another prime (23666595319) 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, 11833297656 + 11833297657.

It is an arithmetic number, because the mean of its divisors is an integer number (11833297657).

Almost surely, 2^23666595313 is an apocalyptic number.

It is an amenable number.

23666595313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23666595313 is an equidigital number, since it uses as much as digits as its factorization.

23666595313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 49.

The spelling of 23666595313 in words is "twenty-three billion, six hundred sixty-six million, five hundred ninety-five thousand, three hundred thirteen".