23521133125 has 60 divisors (see below), whose sum is σ = 35991104160. Its totient is φ = 15279516000.

The previous prime is 23521133117. The next prime is 23521133131. The reversal of 23521133125 is 52133112532.

It is not a de Polignac number, because 23521133125 - 2³ = 23521133117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23521133093 and 23521133102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 561664 + ... + 602086.

It is an arithmetic number, because the mean of its divisors is an integer number (599851736).

Almost surely, 2^23521133125 is an apocalyptic number.

23521133125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23521133125 is a deficient number, since it is larger than the sum of its proper divisors (12469971035).

23521133125 is an equidigital number, since it uses as much as digits as its factorization.

23521133125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40476 (or 40454 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

Adding to 23521133125 its reverse (52133112532), we get a palindrome (75654245657).

The spelling of 23521133125 in words is "twenty-three billion, five hundred twenty-one million, one hundred thirty-three thousand, one hundred twenty-five".