123320525530325 has 24 divisors (see below), whose sum is σ = 153713879781000. Its totient is φ = 98142623170560.

The previous prime is 123320525530291. The next prime is 123320525530327. The reversal of 123320525530325 is 523035525023321.

It can be written as a sum of positive squares in 12 ways, for example, as 15448995331441 + 107871530198884 = 3930521^2 + 10386122^2 .

It is not a de Polignac number, because 123320525530325 - 2¹² = 123320525526229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320525530327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191274101 + ... + 191917749.

It is an arithmetic number, because the mean of its divisors is an integer number (6404744990875).

Almost surely, 2^{123320525530325} is an apocalyptic number.

It is an amenable number.

123320525530325 is a deficient number, since it is larger than the sum of its proper divisors (30393354250675).

123320525530325 is a wasteful number, since it uses less digits than its factorization.

123320525530325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683561 (or 683556 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 41.

The spelling of 123320525530325 in words is "one hundred twenty-three trillion, three hundred twenty billion, five hundred twenty-five million, five hundred thirty thousand, three hundred twenty-five".