13331323 has 4 divisors (see below), whose sum is σ = 13363560. Its totient is φ = 13299088.

The previous prime is 13331309. The next prime is 13331411. The reversal of 13331323 is 32313331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32313331 = 167 ⋅193493.

It is a cyclic number.

It is not a de Polignac number, because 13331323 - 2⁵ = 13331291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13331323.

It is not an unprimeable number, because it can be changed into a prime (13331623) 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, 15490 + ... + 16327.

It is an arithmetic number, because the mean of its divisors is an integer number (3340890).

Almost surely, 2^13331323 is an apocalyptic number.

13331323 is a deficient number, since it is larger than the sum of its proper divisors (32237).

13331323 is an equidigital number, since it uses as much as digits as its factorization.

13331323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32236.

The product of its digits is 486, while the sum is 19.

The square root of 13331323 is about 3651.2084300954. The cubic root of 13331323 is about 237.1143021317.

Adding to 13331323 its reverse (32313331), we get a palindrome (45644654).

The spelling of 13331323 in words is "thirteen million, three hundred thirty-one thousand, three hundred twenty-three".