13320323 has 4 divisors (see below), whose sum is σ = 13444920. Its totient is φ = 13195728.

The previous prime is 13320313. The next prime is 13320343. The reversal of 13320323 is 32302331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32302331 = 43 ⋅751217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13320323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13320313) 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, 62138 + ... + 62351.

It is an arithmetic number, because the mean of its divisors is an integer number (3361230).

Almost surely, 2^13320323 is an apocalyptic number.

13320323 is a deficient number, since it is larger than the sum of its proper divisors (124597).

13320323 is a wasteful number, since it uses less digits than its factorization.

13320323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124596.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 13320323 is about 3649.7017686381. The cubic root of 13320323 is about 237.0490679202.

Adding to 13320323 its reverse (32302331), we get a palindrome (45622654).

The spelling of 13320323 in words is "thirteen million, three hundred twenty thousand, three hundred twenty-three".