13321023343 has 4 divisors (see below), whose sum is σ = 13346592048. Its totient is φ = 13295454640.

The previous prime is 13321023311. The next prime is 13321023379. The reversal of 13321023343 is 34332012331.

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 13321023343 - 2⁵ = 13321023311 is a prime.

It is a super-3 number, since 3×13321023343³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13328023343) 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, 12783571 + ... + 12784612.

It is an arithmetic number, because the mean of its divisors is an integer number (3336648012).

Almost surely, 2^13321023343 is an apocalyptic number.

13321023343 is a deficient number, since it is larger than the sum of its proper divisors (25568705).

13321023343 is an equidigital number, since it uses as much as digits as its factorization.

13321023343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25568704.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 13321023343 its reverse (34332012331), we get a palindrome (47653035674).

The spelling of 13321023343 in words is "thirteen billion, three hundred twenty-one million, twenty-three thousand, three hundred forty-three".