23664362542 has 16 divisors (see below), whose sum is σ = 38600377200. Its totient is φ = 10835192448.

The previous prime is 23664362537. The next prime is 23664362549. The reversal of 23664362542 is 24526346632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23664362549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9404292 + ... + 9406807.

It is an arithmetic number, because the mean of its divisors is an integer number (2412523575).

Almost surely, 2^23664362542 is an apocalyptic number.

23664362542 is a deficient number, since it is larger than the sum of its proper divisors (14936014658).

23664362542 is a wasteful number, since it uses less digits than its factorization.

23664362542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18811155.

The product of its digits is 1244160, while the sum is 43.

The spelling of 23664362542 in words is "twenty-three billion, six hundred sixty-four million, three hundred sixty-two thousand, five hundred forty-two".