12523530425 has 48 divisors (see below), whose sum is σ = 18060808320. Its totient is φ = 8437271040.

The previous prime is 12523530419. The next prime is 12523530469. The reversal of 12523530425 is 52403532521.

It is not a de Polignac number, because 12523530425 - 2⁶ = 12523530361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12523530391 and 12523530400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2536259 + ... + 2541191.

It is an arithmetic number, because the mean of its divisors is an integer number (376266840).

Almost surely, 2^12523530425 is an apocalyptic number.

It is an amenable number.

12523530425 is a deficient number, since it is larger than the sum of its proper divisors (5537277895).

12523530425 is a wasteful number, since it uses less digits than its factorization.

12523530425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202 (or 5197 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 12523530425 in words is "twelve billion, five hundred twenty-three million, five hundred thirty thousand, four hundred twenty-five".