23015143125 has 120 divisors (see below), whose sum is σ = 46284278040. Its totient is φ = 10938816000.

The previous prime is 23015143121. The next prime is 23015143127. The reversal of 23015143125 is 52134151032.

23015143125 is a `hidden beast` number, since 23 + 0 + 1 + 514 + 3 + 125 = 666.

It can be written as a sum of positive squares in 20 ways, for example, as 22945887441 + 69255684 = 151479^2 + 8322^2 .

It is not a de Polignac number, because 23015143125 - 2² = 23015143121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23015143121) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2115199 + ... + 2126051.

It is an arithmetic number, because the mean of its divisors is an integer number (385702317).

Almost surely, 2^23015143125 is an apocalyptic number.

23015143125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23015143125 is an abundant number, since it is smaller than the sum of its proper divisors (23269134915).

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

23015143125 is a wasteful number, since it uses less digits than its factorization.

23015143125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10921 (or 10903 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 23015143125 its reverse (52134151032), we get a palindrome (75149294157).

The spelling of 23015143125 in words is "twenty-three billion, fifteen million, one hundred forty-three thousand, one hundred twenty-five".