23491225632 has 144 divisors (see below), whose sum is σ = 74046534912. Its totient is φ = 6495229440.

The previous prime is 23491225621. The next prime is 23491225657. The reversal of 23491225632 is 23652219432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65278 + ... + 226370.

It is an arithmetic number, because the mean of its divisors is an integer number (514212048).

Almost surely, 2^23491225632 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 23491225632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37023267456).

23491225632 is an abundant number, since it is smaller than the sum of its proper divisors (50555309280).

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

23491225632 is a wasteful number, since it uses less digits than its factorization.

23491225632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161151 (or 161136 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The spelling of 23491225632 in words is "twenty-three billion, four hundred ninety-one million, two hundred twenty-five thousand, six hundred thirty-two".