23531325024 has 144 divisors (see below), whose sum is σ = 64762077744. Its totient is φ = 7480704000.

The previous prime is 23531325017. The next prime is 23531325061. The reversal of 23531325024 is 42052313532.

It is a junction number, because it is equal to n+sod(n) for n = 23531324982 and 23531325000.

It is a congruent 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, 33567874 + ... + 33568574.

It is an arithmetic number, because the mean of its divisors is an integer number (449736651).

Almost surely, 2^23531325024 is an apocalyptic number.

23531325024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23531325024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32381038872).

23531325024 is an abundant number, since it is smaller than the sum of its proper divisors (41230752720).

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

23531325024 is a wasteful number, since it uses less digits than its factorization.

23531325024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 23531325024 its reverse (42052313532), we get a palindrome (65583638556).

The spelling of 23531325024 in words is "twenty-three billion, five hundred thirty-one million, three hundred twenty-five thousand, twenty-four".