13838131823 has 4 divisors (see below), whose sum is σ = 13847219448. Its totient is φ = 13829044200.

The previous prime is 13838131763. The next prime is 13838131837. The reversal of 13838131823 is 32813183831.

13838131823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13838131823 - 2¹⁰ = 13838130799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13838131843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4541528 + ... + 4544573.

It is an arithmetic number, because the mean of its divisors is an integer number (3461804862).

Almost surely, 2^13838131823 is an apocalyptic number.

13838131823 is a deficient number, since it is larger than the sum of its proper divisors (9087625).

13838131823 is an equidigital number, since it uses as much as digits as its factorization.

13838131823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087624.

The product of its digits is 82944, while the sum is 41.

The spelling of 13838131823 in words is "thirteen billion, eight hundred thirty-eight million, one hundred thirty-one thousand, eight hundred twenty-three".