13312321134223 has 4 divisors (see below), whose sum is σ = 13537953695880. Its totient is φ = 13086688572568.

The previous prime is 13312321134199. The next prime is 13312321134257. The reversal of 13312321134223 is 32243112321331.

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 13312321134223 - 2²⁹ = 13311784263311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312321134263) 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, 112816280740 + ... + 112816280857.

It is an arithmetic number, because the mean of its divisors is an integer number (3384488423970).

Almost surely, 2^{13312321134223} is an apocalyptic number.

13312321134223 is a deficient number, since it is larger than the sum of its proper divisors (225632561657).

13312321134223 is an equidigital number, since it uses as much as digits as its factorization.

13312321134223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225632561656.

The product of its digits is 15552, while the sum is 31.

Adding to 13312321134223 its reverse (32243112321331), we get a palindrome (45555433455554).

The spelling of 13312321134223 in words is "thirteen trillion, three hundred twelve billion, three hundred twenty-one million, one hundred thirty-four thousand, two hundred twenty-three".