13312023 has 4 divisors (see below), whose sum is σ = 17749368. Its totient is φ = 8874680.

The previous prime is 13312021. The next prime is 13312031. The reversal of 13312023 is 32021331.

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 13312023 - 2¹ = 13312021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13311993 and 13312011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312021) 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, 2218668 + ... + 2218673.

It is an arithmetic number, because the mean of its divisors is an integer number (4437342).

Almost surely, 2^13312023 is an apocalyptic number.

13312023 is a deficient number, since it is larger than the sum of its proper divisors (4437345).

13312023 is an equidigital number, since it uses as much as digits as its factorization.

13312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437344.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13312023 is about 3648.5645122431. The cubic root of 13312023 is about 236.9998219657. Note that the first 3 decimals are identical.

Adding to 13312023 its reverse (32021331), we get a palindrome (45333354).

The spelling of 13312023 in words is "thirteen million, three hundred twelve thousand, twenty-three".