12343556679 has 4 divisors (see below), whose sum is σ = 16458075576. Its totient is φ = 8229037784.

The previous prime is 12343556653. The next prime is 12343556689. The reversal of 12343556679 is 97665534321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12343556679 - 2⁵ = 12343556647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343556609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057259444 + ... + 2057259449.

It is an arithmetic number, because the mean of its divisors is an integer number (4114518894).

Almost surely, 2^12343556679 is an apocalyptic number.

12343556679 is a deficient number, since it is larger than the sum of its proper divisors (4114518897).

12343556679 is an equidigital number, since it uses as much as digits as its factorization.

12343556679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114518896.

The product of its digits is 4082400, while the sum is 51.

The spelling of 12343556679 in words is "twelve billion, three hundred forty-three million, five hundred fifty-six thousand, six hundred seventy-nine".