23644671013 has 16 divisors (see below), whose sum is σ = 25038074880. Its totient is φ = 22292265600.

The previous prime is 23644670993. The next prime is 23644671023. The reversal of 23644671013 is 31017644632.

It is a cyclic number.

It is not a de Polignac number, because 23644671013 - 2²¹ = 23642573861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23644671023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 911223 + ... + 936811.

It is an arithmetic number, because the mean of its divisors is an integer number (1564879680).

Almost surely, 2^23644671013 is an apocalyptic number.

It is an amenable number.

23644671013 is a deficient number, since it is larger than the sum of its proper divisors (1393403867).

23644671013 is a wasteful number, since it uses less digits than its factorization.

23644671013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26388.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 23644671013 in words is "twenty-three billion, six hundred forty-four million, six hundred seventy-one thousand, thirteen".