321220112023 has 8 divisors (see below), whose sum is σ = 333109141200. Its totient is φ = 309385247808.

The previous prime is 321220111999. The next prime is 321220112027. The reversal of 321220112023 is 320211022123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321220112023 - 2²⁵ = 321186557591 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 (321220112027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13529161 + ... + 13552882.

It is an arithmetic number, because the mean of its divisors is an integer number (41638642650).

Almost surely, 2^321220112023 is an apocalyptic number.

321220112023 is a deficient number, since it is larger than the sum of its proper divisors (11889029177).

321220112023 is a wasteful number, since it uses less digits than its factorization.

321220112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27082481.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 321220112023 its reverse (320211022123), we get a palindrome (641431134146).

The spelling of 321220112023 in words is "three hundred twenty-one billion, two hundred twenty million, one hundred twelve thousand, twenty-three".