321413332423 has 4 divisors (see below), whose sum is σ = 328888061128. Its totient is φ = 313938603720.

The previous prime is 321413332369. The next prime is 321413332433. The reversal of 321413332423 is 324233314123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321413332423 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 (321413332433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3737364288 + ... + 3737364373.

It is an arithmetic number, because the mean of its divisors is an integer number (82222015282).

Almost surely, 2^321413332423 is an apocalyptic number.

321413332423 is a deficient number, since it is larger than the sum of its proper divisors (7474728705).

321413332423 is an equidigital number, since it uses as much as digits as its factorization.

321413332423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474728704.

The product of its digits is 31104, while the sum is 31.

Adding to 321413332423 its reverse (324233314123), we get a palindrome (645646646546).

The spelling of 321413332423 in words is "three hundred twenty-one billion, four hundred thirteen million, three hundred thirty-two thousand, four hundred twenty-three".