13123444299 has 8 divisors (see below), whose sum is σ = 19997629440. Its totient is φ = 7499111016.

The previous prime is 13123444261. The next prime is 13123444307. The reversal of 13123444299 is 99244432131.

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

It is not a de Polignac number, because 13123444299 - 2¹² = 13123440203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13123444299.

It is not an unprimeable number, because it can be changed into a prime (13123443299) 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, 312462939 + ... + 312462980.

It is an arithmetic number, because the mean of its divisors is an integer number (2499703680).

Almost surely, 2^13123444299 is an apocalyptic number.

13123444299 is a deficient number, since it is larger than the sum of its proper divisors (6874185141).

13123444299 is an equidigital number, since it uses as much as digits as its factorization.

13123444299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624925929.

The product of its digits is 186624, while the sum is 42.

The spelling of 13123444299 in words is "thirteen billion, one hundred twenty-three million, four hundred forty-four thousand, two hundred ninety-nine".