13013123244 has 24 divisors (see below), whose sum is σ = 33124314048. Its totient is φ = 3943370640.

The previous prime is 13013123243. The next prime is 13013123269. The reversal of 13013123244 is 44232131031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13013123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49292002 + ... + 49292265.

It is an arithmetic number, because the mean of its divisors is an integer number (1380179752).

Almost surely, 2^13013123244 is an apocalyptic number.

It is an amenable number.

13013123244 is an abundant number, since it is smaller than the sum of its proper divisors (20111190804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13013123244 is a wasteful number, since it uses less digits than its factorization.

13013123244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98584285 (or 98584283 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13013123244 its reverse (44232131031), we get a palindrome (57245254275).

The spelling of 13013123244 in words is "thirteen billion, thirteen million, one hundred twenty-three thousand, two hundred forty-four".