23549789319968 has 24 divisors (see below), whose sum is σ = 49090921120332. Its totient is φ = 11082253797376.

The previous prime is 23549789319961. The next prime is 23549789319997. The reversal of 23549789319968 is 86991398794532.

It can be written as a sum of positive squares in 2 ways, for example, as 19782106453264 + 3767682866704 = 4447708^2 + 1941052^2 .

It is not an unprimeable number, because it can be changed into a prime (23549789319961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21645026405 + ... + 21645027492.

Almost surely, 2^{23549789319968} is an apocalyptic number.

It is an amenable number.

23549789319968 is an abundant number, since it is smaller than the sum of its proper divisors (25541131800364).

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

23549789319968 is a wasteful number, since it uses less digits than its factorization.

23549789319968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43290053924 (or 43290053916 counting only the distinct ones).

The product of its digits is 6348948480, while the sum is 83.

The spelling of 23549789319968 in words is "twenty-three trillion, five hundred forty-nine billion, seven hundred eighty-nine million, three hundred nineteen thousand, nine hundred sixty-eight".