12496491423 has 12 divisors (see below), whose sum is σ = 19438986840. Its totient is φ = 7690148496.

The previous prime is 12496491419. The next prime is 12496491443. The reversal of 12496491423 is 32419469421.

12496491423 is a `hidden beast` number, since 12 + 496 + 4 + 9 + 142 + 3 = 666.

It is not a de Polignac number, because 12496491423 - 2² = 12496491419 is a prime.

It is a super-2 number, since 2×12496491423² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12496491443) 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, 53403693 + ... + 53403926.

It is an arithmetic number, because the mean of its divisors is an integer number (1619915570).

Almost surely, 2^12496491423 is an apocalyptic number.

12496491423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12496491423 is a deficient number, since it is larger than the sum of its proper divisors (6942495417).

12496491423 is a wasteful number, since it uses less digits than its factorization.

12496491423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106807638 (or 106807635 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 12496491423 in words is "twelve billion, four hundred ninety-six million, four hundred ninety-one thousand, four hundred twenty-three".