321123233231 has 8 divisors (see below), whose sum is σ = 332370157680. Its totient is φ = 309887889472.

The previous prime is 321123233227. The next prime is 321123233243. The reversal of 321123233231 is 132332321123.

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 321123233231 - 2² = 321123233227 is a prime.

It is a super-2 number, since 2×321123233231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321123233231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321123233531) 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 7 ways as a sum of consecutive naturals, for example, 2838725 + ... + 2949678.

It is an arithmetic number, because the mean of its divisors is an integer number (41546269710).

Almost surely, 2^321123233231 is an apocalyptic number.

321123233231 is a deficient number, since it is larger than the sum of its proper divisors (11246924449).

321123233231 is a wasteful number, since it uses less digits than its factorization.

321123233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790345.

The product of its digits is 3888, while the sum is 26.

Adding to 321123233231 its reverse (132332321123), we get a palindrome (453455554354).

The spelling of 321123233231 in words is "three hundred twenty-one billion, one hundred twenty-three million, two hundred thirty-three thousand, two hundred thirty-one".