322423132443421 has 4 divisors (see below), whose sum is σ = 323064132707232. Its totient is φ = 321782132179612.

The previous prime is 322423132443397. The next prime is 322423132443439. The reversal of 322423132443421 is 124344231324223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 322423132443421 - 2³⁵ = 322388772705053 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322423132443481) 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, 320500131151 + ... + 320500132156.

It is an arithmetic number, because the mean of its divisors is an integer number (80766033176808).

Almost surely, 2^{322423132443421} is an apocalyptic number.

It is an amenable number.

322423132443421 is a deficient number, since it is larger than the sum of its proper divisors (641000263811).

322423132443421 is an equidigital number, since it uses as much as digits as its factorization.

322423132443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641000263810.

The product of its digits is 663552, while the sum is 40.

Adding to 322423132443421 its reverse (124344231324223), we get a palindrome (446767363767644).

The spelling of 322423132443421 in words is "three hundred twenty-two trillion, four hundred twenty-three billion, one hundred thirty-two million, four hundred forty-three thousand, four hundred twenty-one".