23032404252 has 144 divisors (see below), whose sum is σ = 68709408768. Its totient is φ = 6413420160.

The previous prime is 23032404203. The next prime is 23032404271. The reversal of 23032404252 is 25240423032.

It is a happy number.

23032404252 is a `hidden beast` number, since 2 + 3 + 0 + 3 + 2 + 404 + 252 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1137973 + ... + 1158035.

It is an arithmetic number, because the mean of its divisors is an integer number (477148672).

Almost surely, 2^23032404252 is an apocalyptic number.

23032404252 is a gapful number since it is divisible by the number (22) 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 23032404252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34354704384).

23032404252 is an abundant number, since it is smaller than the sum of its proper divisors (45677004516).

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

23032404252 is a wasteful number, since it uses less digits than its factorization.

23032404252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20320 (or 20315 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 23032404252 its reverse (25240423032), we get a palindrome (48272827284).

The spelling of 23032404252 in words is "twenty-three billion, thirty-two million, four hundred four thousand, two hundred fifty-two".