13423311223 has 6 divisors (see below), whose sum is σ = 15614872296. Its totient is φ = 11505695292.

The previous prime is 13423311217. The next prime is 13423311227. The reversal of 13423311223 is 32211332431.

It is not a de Polignac number, because 13423311223 - 2⁹ = 13423310711 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 (13423311227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136972515 + ... + 136972612.

It is an arithmetic number, because the mean of its divisors is an integer number (2602478716).

Almost surely, 2^13423311223 is an apocalyptic number.

13423311223 is a deficient number, since it is larger than the sum of its proper divisors (2191561073).

13423311223 is an equidigital number, since it uses as much as digits as its factorization.

13423311223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273945141 (or 273945134 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 13423311223 its reverse (32211332431), we get a palindrome (45634643654).

The spelling of 13423311223 in words is "thirteen billion, four hundred twenty-three million, three hundred eleven thousand, two hundred twenty-three".