13231123223 has 4 divisors (see below), whose sum is σ = 13257639000. Its totient is φ = 13204607448.

The previous prime is 13231123201. The next prime is 13231123231. The reversal of 13231123223 is 32232113231.

13231123223 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, and also an emirpimes, since its reverse is a distinct semiprime: 32232113231 = 257 ⋅125416783.

It is a cyclic number.

It is not a de Polignac number, because 13231123223 - 2¹⁴ = 13231106839 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 (13231123253) 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, 13257140 + ... + 13258137.

It is an arithmetic number, because the mean of its divisors is an integer number (3314409750).

Almost surely, 2^13231123223 is an apocalyptic number.

13231123223 is a deficient number, since it is larger than the sum of its proper divisors (26515777).

13231123223 is an equidigital number, since it uses as much as digits as its factorization.

13231123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26515776.

The product of its digits is 1296, while the sum is 23.

Adding to 13231123223 its reverse (32232113231), we get a palindrome (45463236454).

The spelling of 13231123223 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred twenty-three".