12530555423 has 32 divisors (see below), whose sum is σ = 13706703360. Its totient is φ = 11415720960.

The previous prime is 12530555417. The next prime is 12530555447. The reversal of 12530555423 is 32455503521.

It is a cyclic number.

It is not a de Polignac number, because 12530555423 - 2⁴ = 12530555407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530555413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24911390 + ... + 24911892.

It is an arithmetic number, because the mean of its divisors is an integer number (428334480).

Almost surely, 2^12530555423 is an apocalyptic number.

12530555423 is a deficient number, since it is larger than the sum of its proper divisors (1176147937).

12530555423 is a wasteful number, since it uses less digits than its factorization.

12530555423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 12530555423 in words is "twelve billion, five hundred thirty million, five hundred fifty-five thousand, four hundred twenty-three".