13123844279 has 8 divisors (see below), whose sum is σ = 16152423840. Its totient is φ = 10383700896.

The previous prime is 13123844257. The next prime is 13123844281. The reversal of 13123844279 is 97244832131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13123844279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123844219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72108944 + ... + 72109125.

It is an arithmetic number, because the mean of its divisors is an integer number (2019052980).

Almost surely, 2^13123844279 is an apocalyptic number.

13123844279 is a deficient number, since it is larger than the sum of its proper divisors (3028579561).

13123844279 is a wasteful number, since it uses less digits than its factorization.

13123844279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144218089.

The product of its digits is 290304, while the sum is 44.

The spelling of 13123844279 in words is "thirteen billion, one hundred twenty-three million, eight hundred forty-four thousand, two hundred seventy-nine".