23309500032 has 512 divisors, whose sum is σ = 85446950400. Its totient is φ = 6091407360.

The previous prime is 23309499979. The next prime is 23309500033. The reversal of 23309500032 is 23000590332.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23309499969 and 23309500005.

It is not an unprimeable number, because it can be changed into a prime (23309500033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43085682 + ... + 43086222.

It is an arithmetic number, because the mean of its divisors is an integer number (166888575).

Almost surely, 2^23309500032 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 23309500032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42723475200).

23309500032 is an abundant number, since it is smaller than the sum of its proper divisors (62137450368).

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

23309500032 is a wasteful number, since it uses less digits than its factorization.

23309500032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The spelling of 23309500032 in words is "twenty-three billion, three hundred nine million, five hundred thousand, thirty-two".