23504664523 has 16 divisors (see below), whose sum is σ = 24062560704. Its totient is φ = 22954014720.

The previous prime is 23504664493. The next prime is 23504664527. The reversal of 23504664523 is 32546640532.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23504664523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23504664527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3753411 + ... + 3759667.

It is an arithmetic number, because the mean of its divisors is an integer number (1503910044).

Almost surely, 2^23504664523 is an apocalyptic number.

23504664523 is a deficient number, since it is larger than the sum of its proper divisors (557896181).

23504664523 is a wasteful number, since it uses less digits than its factorization.

23504664523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 23504664523 in words is "twenty-three billion, five hundred four million, six hundred sixty-four thousand, five hundred twenty-three".