3221320231223 has 4 divisors (see below), whose sum is σ = 3221372989440. Its totient is φ = 3221267473008.

The previous prime is 3221320231189. The next prime is 3221320231247.

3221320231223 is nontrivially palindromic in base 10.

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 3221320231223 - 2³⁸ = 2946442324279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221320231192 and 3221320231201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221320231523) 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, 26287415 + ... + 26409672.

It is an arithmetic number, because the mean of its divisors is an integer number (805343247360).

Almost surely, 2^{3221320231223} is an apocalyptic number.

3221320231223 is a deficient number, since it is larger than the sum of its proper divisors (52758217).

3221320231223 is an equidigital number, since it uses as much as digits as its factorization.

3221320231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52758216.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 3221320 and 231223, that added together give a palindrome (3452543).

The spelling of 3221320231223 in words is "three trillion, two hundred twenty-one billion, three hundred twenty million, two hundred thirty-one thousand, two hundred twenty-three".