13311123323 has 4 divisors (see below), whose sum is σ = 13311382848. Its totient is φ = 13310863800.

The previous prime is 13311123313. The next prime is 13311123347. The reversal of 13311123323 is 32332111331.

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 13311123323 - 2⁴ = 13311123307 is a prime.

It is a super-2 number, since 2×13311123323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311123313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24203 + ... + 164948.

It is an arithmetic number, because the mean of its divisors is an integer number (3327845712).

Almost surely, 2^13311123323 is an apocalyptic number.

13311123323 is a deficient number, since it is larger than the sum of its proper divisors (259525).

13311123323 is an equidigital number, since it uses as much as digits as its factorization.

13311123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259524.

The product of its digits is 972, while the sum is 23.

Adding to 13311123323 its reverse (32332111331), we get a palindrome (45643234654).

The spelling of 13311123323 in words is "thirteen billion, three hundred eleven million, one hundred twenty-three thousand, three hundred twenty-three".