13223031323 has 4 divisors (see below), whose sum is σ = 13918980360. Its totient is φ = 12527082288.

The previous prime is 13223031299. The next prime is 13223031329. The reversal of 13223031323 is 32313032231.

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 13223031323 - 2⁶ = 13223031259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223031329) 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, 347974490 + ... + 347974527.

It is an arithmetic number, because the mean of its divisors is an integer number (3479745090).

Almost surely, 2^13223031323 is an apocalyptic number.

13223031323 is a deficient number, since it is larger than the sum of its proper divisors (695949037).

13223031323 is an equidigital number, since it uses as much as digits as its factorization.

13223031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695949036.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13223031323 its reverse (32313032231), we get a palindrome (45536063554).

The spelling of 13223031323 in words is "thirteen billion, two hundred twenty-three million, thirty-one thousand, three hundred twenty-three".