23658640633 has 2 divisors, whose sum is σ = 23658640634. Its totient is φ = 23658640632.

The previous prime is 23658640573. The next prime is 23658640679. The reversal of 23658640633 is 33604685632.

It is an a-pointer prime, because the next prime (23658640679) can be obtained adding 23658640633 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23375963664 + 282676969 = 152892^2 + 16813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23658640633 is a prime.

It is not a weakly prime, because it can be changed into another prime (23658640693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11829320316 + 11829320317.

It is an arithmetic number, because the mean of its divisors is an integer number (11829320317).

Almost surely, 2^23658640633 is an apocalyptic number.

It is an amenable number.

23658640633 is a deficient number, since it is larger than the sum of its proper divisors (1).

23658640633 is an equidigital number, since it uses as much as digits as its factorization.

23658640633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 23658640633 in words is "twenty-three billion, six hundred fifty-eight million, six hundred forty thousand, six hundred thirty-three".