321244302023 has 4 divisors (see below), whose sum is σ = 323400304200. Its totient is φ = 319088299848.

The previous prime is 321244301993. The next prime is 321244302031. The reversal of 321244302023 is 320203442123.

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 321244302023 - 2⁸ = 321244301767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321244301983 and 321244302001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321244302523) 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, 1078000865 + ... + 1078001162.

It is an arithmetic number, because the mean of its divisors is an integer number (80850076050).

Almost surely, 2^321244302023 is an apocalyptic number.

321244302023 is a deficient number, since it is larger than the sum of its proper divisors (2156002177).

321244302023 is a wasteful number, since it uses less digits than its factorization.

321244302023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156002176.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 321244302023 its reverse (320203442123), we get a palindrome (641447744146).

The spelling of 321244302023 in words is "three hundred twenty-one billion, two hundred forty-four million, three hundred two thousand, twenty-three".