15323215423125 has 40 divisors (see below), whose sum is σ = 27032315340096. Its totient is φ = 7691653216000.

The previous prime is 15323215423039. The next prime is 15323215423129. The reversal of 15323215423125 is 52132451232351.

It is not a de Polignac number, because 15323215423125 - 2¹⁷ = 15323215292053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15323215423129) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 240332289 + ... + 240396038.

Almost surely, 2^{15323215423125} is an apocalyptic number.

15323215423125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15323215423125 is a deficient number, since it is larger than the sum of its proper divisors (11709099916971).

15323215423125 is an equidigital number, since it uses as much as digits as its factorization.

15323215423125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480728367 (or 480728352 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

Adding to 15323215423125 its reverse (52132451232351), we get a palindrome (67455666655476).

The spelling of 15323215423125 in words is "fifteen trillion, three hundred twenty-three billion, two hundred fifteen million, four hundred twenty-three thousand, one hundred twenty-five".