23452537500 has 432 divisors, whose sum is σ = 87900374016. Its totient is φ = 5355720000.

The previous prime is 23452537499. The next prime is 23452537513. The reversal of 23452537500 is 573525432.

23452537500 is a `hidden beast` number, since 23 + 4 + 52 + 537 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21261949 + ... + 21263051.

It is an arithmetic number, because the mean of its divisors is an integer number (203473088).

Almost surely, 2^23452537500 is an apocalyptic number.

23452537500 is a gapful number since it is divisible by the number (20) 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 23452537500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43950187008).

23452537500 is an abundant number, since it is smaller than the sum of its proper divisors (64447836516).

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

23452537500 is an equidigital number, since it uses as much as digits as its factorization.

23452537500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 36.

The spelling of 23452537500 in words is "twenty-three billion, four hundred fifty-two million, five hundred thirty-seven thousand, five hundred".