23638816313 has 64 divisors (see below), whose sum is σ = 29971968000. Its totient is φ = 18188561664.

The previous prime is 23638816303. The next prime is 23638816321. The reversal of 23638816313 is 31361883632.

It is not a de Polignac number, because 23638816313 - 2⁴ = 23638816297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23638816303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62371358 + ... + 62371736.

It is an arithmetic number, because the mean of its divisors is an integer number (468312000).

Almost surely, 2^23638816313 is an apocalyptic number.

It is an amenable number.

23638816313 is a deficient number, since it is larger than the sum of its proper divisors (6333151687).

23638816313 is a wasteful number, since it uses less digits than its factorization.

23638816313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its digits is 373248, while the sum is 44.

The spelling of 23638816313 in words is "twenty-three billion, six hundred thirty-eight million, eight hundred sixteen thousand, three hundred thirteen".