23530564352 has 72 divisors (see below), whose sum is σ = 47542720512. Its totient is φ = 11622528000.

The previous prime is 23530564339. The next prime is 23530564367. The reversal of 23530564352 is 25346503532.

It is a super-2 number, since 2×23530564352² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7381703 + ... + 7384889.

Almost surely, 2^23530564352 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 23530564352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23771360256).

23530564352 is an abundant number, since it is smaller than the sum of its proper divisors (24012156160).

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

23530564352 is a wasteful number, since it uses less digits than its factorization.

23530564352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 38.

The spelling of 23530564352 in words is "twenty-three billion, five hundred thirty million, five hundred sixty-four thousand, three hundred fifty-two".