12431124423 has 12 divisors (see below), whose sum is σ = 18338113248. Its totient is φ = 8111088000.

The previous prime is 12431124379. The next prime is 12431124439. The reversal of 12431124423 is 32442113421.

12431124423 is a `hidden beast` number, since 124 + 3 + 112 + 4 + 423 = 666.

It is not a de Polignac number, because 12431124423 - 2⁶ = 12431124359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431124443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14693578 + ... + 14694423.

It is an arithmetic number, because the mean of its divisors is an integer number (1528176104).

Almost surely, 2^12431124423 is an apocalyptic number.

12431124423 is a deficient number, since it is larger than the sum of its proper divisors (5906988825).

12431124423 is a wasteful number, since it uses less digits than its factorization.

12431124423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29388054 (or 29388051 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 12431124423 its reverse (32442113421), we get a palindrome (44873237844).

The spelling of 12431124423 in words is "twelve billion, four hundred thirty-one million, one hundred twenty-four thousand, four hundred twenty-three".