13423504244013 has 48 divisors (see below), whose sum is σ = 19877979152304. Its totient is φ = 8726897802240.

The previous prime is 13423504244009. The next prime is 13423504244023. The reversal of 13423504244013 is 31044240532431.

13423504244013 is a `hidden beast` number, since 13 + 4 + 235 + 0 + 4 + 2 + 4 + 401 + 3 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 131923683369 + 13291580560644 = 363213^2 + 3645762^2 .

It is not a de Polignac number, because 13423504244013 - 2² = 13423504244009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423504244023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20246395 + ... + 20898887.

It is an arithmetic number, because the mean of its divisors is an integer number (414124565673).

Almost surely, 2^{13423504244013} is an apocalyptic number.

It is an amenable number.

13423504244013 is a deficient number, since it is larger than the sum of its proper divisors (6454474908291).

13423504244013 is a wasteful number, since it uses less digits than its factorization.

13423504244013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652926 (or 652923 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 13423504244013 its reverse (31044240532431), we get a palindrome (44467744776444).

The spelling of 13423504244013 in words is "thirteen trillion, four hundred twenty-three billion, five hundred four million, two hundred forty-four thousand, thirteen".