12536879423 has 8 divisors (see below), whose sum is σ = 13319705280. Its totient is φ = 11777421600.

The previous prime is 12536879351. The next prime is 12536879429. The reversal of 12536879423 is 32497863521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12536879423 - 2²⁰ = 12535830847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12536879429) 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 7 ways as a sum of consecutive naturals, for example, 5840903 + ... + 5843048.

It is an arithmetic number, because the mean of its divisors is an integer number (1664963160).

Almost surely, 2^12536879423 is an apocalyptic number.

12536879423 is a deficient number, since it is larger than the sum of its proper divisors (782825857).

12536879423 is a wasteful number, since it uses less digits than its factorization.

12536879423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11684017.

The product of its digits is 2177280, while the sum is 50.

The spelling of 12536879423 in words is "twelve billion, five hundred thirty-six million, eight hundred seventy-nine thousand, four hundred twenty-three".