23072303264 has 72 divisors (see below), whose sum is σ = 46786789980. Its totient is φ = 11199651840.

The previous prime is 23072303251. The next prime is 23072303279. The reversal of 23072303264 is 46230327032.

It can be written as a sum of positive squares in 6 ways, for example, as 664608400 + 22407694864 = 25780^2 + 149692^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 23072303264.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12317432 + ... + 12319304.

Almost surely, 2^23072303264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23072303264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23393394990).

23072303264 is an abundant number, since it is smaller than the sum of its proper divisors (23714486716).

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

23072303264 is a wasteful number, since it uses less digits than its factorization.

23072303264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 32.

The spelling of 23072303264 in words is "twenty-three billion, seventy-two million, three hundred three thousand, two hundred sixty-four".