12492279423 has 12 divisors (see below), whose sum is σ = 19432434840. Its totient is φ = 7687556496.

The previous prime is 12492279419. The next prime is 12492279451. The reversal of 12492279423 is 32497229421.

It is not a de Polignac number, because 12492279423 - 2² = 12492279419 is a prime.

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 (12492279403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53385693 + ... + 53385926.

It is an arithmetic number, because the mean of its divisors is an integer number (1619369570).

Almost surely, 2^12492279423 is an apocalyptic number.

12492279423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12492279423 is a deficient number, since it is larger than the sum of its proper divisors (6940155417).

12492279423 is a wasteful number, since it uses less digits than its factorization.

12492279423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106771638 (or 106771635 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 12492279423 in words is "twelve billion, four hundred ninety-two million, two hundred seventy-nine thousand, four hundred twenty-three".