13321331201423 has 4 divisors (see below), whose sum is σ = 15224378515920. Its totient is φ = 11418283886928.

The previous prime is 13321331201377. The next prime is 13321331201471. The reversal of 13321331201423 is 32410213312331.

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 13321331201423 - 2²⁰ = 13321330152847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321331201473) 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, 951523657238 + ... + 951523657251.

It is an arithmetic number, because the mean of its divisors is an integer number (3806094628980).

Almost surely, 2^{13321331201423} is an apocalyptic number.

13321331201423 is a deficient number, since it is larger than the sum of its proper divisors (1903047314497).

13321331201423 is an equidigital number, since it uses as much as digits as its factorization.

13321331201423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903047314496.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 13321331201423 its reverse (32410213312331), we get a palindrome (45731544513754).

The spelling of 13321331201423 in words is "thirteen trillion, three hundred twenty-one billion, three hundred thirty-one million, two hundred one thousand, four hundred twenty-three".