12324345679 has 4 divisors (see below), whose sum is σ = 12333819960. Its totient is φ = 12314871400.

The previous prime is 12324345667. The next prime is 12324345689. The reversal of 12324345679 is 97654342321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97654342321 = 4091 ⋅23870531.

It is a cyclic number.

It is not a de Polignac number, because 12324345679 - 2²⁷ = 12190127951 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 (12324345689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4735189 + ... + 4737790.

It is an arithmetic number, because the mean of its divisors is an integer number (3083454990).

Almost surely, 2^12324345679 is an apocalyptic number.

12324345679 is a deficient number, since it is larger than the sum of its proper divisors (9474281).

12324345679 is an equidigital number, since it uses as much as digits as its factorization.

12324345679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474280.

The product of its digits is 1088640, while the sum is 46.

The spelling of 12324345679 in words is "twelve billion, three hundred twenty-four million, three hundred forty-five thousand, six hundred seventy-nine".