13401404220323 has 4 divisors (see below), whose sum is σ = 15315890537520. Its totient is φ = 11486917903128.

The previous prime is 13401404220317. The next prime is 13401404220349. The reversal of 13401404220323 is 32302240410431.

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 13401404220323 - 2¹⁴ = 13401404203939 is a prime.

It is a super-2 number, since 2×13401404220323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13401404226323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957243158588 + ... + 957243158601.

It is an arithmetic number, because the mean of its divisors is an integer number (3828972634380).

Almost surely, 2^{13401404220323} is an apocalyptic number.

13401404220323 is a deficient number, since it is larger than the sum of its proper divisors (1914486317197).

13401404220323 is an equidigital number, since it uses as much as digits as its factorization.

13401404220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914486317196.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13401404220323 its reverse (32302240410431), we get a palindrome (45703644630754).

The spelling of 13401404220323 in words is "thirteen trillion, four hundred one billion, four hundred four million, two hundred twenty thousand, three hundred twenty-three".