13323 has 4 divisors (see below), whose sum is σ = 17768. Its totient is φ = 8880.

The previous prime is 13313. The next prime is 13327. The reversal of 13323 is 32331.

It is a happy number.

13323 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13323 - 2⁵ = 13291 is a prime.

It is a D-number.

It is a Duffinian number.

13323 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 13299 and 13308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13327) 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, 2218 + ... + 2223.

It is an arithmetic number, because the mean of its divisors is an integer number (4442).

2¹³³²³ is an apocalyptic number.

13323 is a deficient number, since it is larger than the sum of its proper divisors (4445).

13323 is an equidigital number, since it uses as much as digits as its factorization.

13323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444.

The product of its digits is 54, while the sum is 12.

The square root of 13323 is about 115.4253005194. The cubic root of 13323 is about 23.7064946861.

Adding to 13323 its reverse (32331), we get a palindrome (45654).

The spelling of 13323 in words is "thirteen thousand, three hundred twenty-three".