23743249664 has 36 divisors (see below), whose sum is σ = 47707695840. Its totient is φ = 11792985600.

The previous prime is 23743249643. The next prime is 23743249693. The reversal of 23743249664 is 46694234732.

It is a super-2 number, since 2×23743249664² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268454 + ... + 345765.

Almost surely, 2^23743249664 is an apocalyptic number.

It is an amenable number.

23743249664 is an abundant number, since it is smaller than the sum of its proper divisors (23964446176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23743249664 is an equidigital number, since it uses as much as digits as its factorization.

23743249664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614386 (or 614372 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 50.

The spelling of 23743249664 in words is "twenty-three billion, seven hundred forty-three million, two hundred forty-nine thousand, six hundred sixty-four".