12423315305025 has 30 divisors (see below), whose sum is σ = 23012274428022. Its totient is φ = 6625768161600.

The previous prime is 12423315304963. The next prime is 12423315305069. The reversal of 12423315305025 is 52050351332421.

12423315305025 is a `hidden beast` number, since 1 + 2 + 4 + 23 + 31 + 530 + 50 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2529598001841 + 9893717303184 = 1590471^2 + 3145428^2 .

It is not a de Polignac number, because 12423315305025 - 2²⁰ = 12423314256449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3067483236 + ... + 3067487285.

Almost surely, 2^{12423315305025} is an apocalyptic number.

12423315305025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12423315305025 is a deficient number, since it is larger than the sum of its proper divisors (10588959122997).

12423315305025 is an equidigital number, since it uses as much as digits as its factorization.

12423315305025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6134970543 (or 6134970529 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 12423315305025 its reverse (52050351332421), we get a palindrome (64473666637446).

The spelling of 12423315305025 in words is "twelve trillion, four hundred twenty-three billion, three hundred fifteen million, three hundred five thousand, twenty-five".