321980223 has 16 divisors (see below), whose sum is σ = 437580000. Its totient is φ = 210556800.

The previous prime is 321980207. The next prime is 321980233. The reversal of 321980223 is 322089123.

It is a happy number.

It is not a de Polignac number, because 321980223 - 2⁴ = 321980207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321980233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28153 + ... + 37901.

It is an arithmetic number, because the mean of its divisors is an integer number (27348750).

Almost surely, 2^321980223 is an apocalyptic number.

321980223 is a deficient number, since it is larger than the sum of its proper divisors (115599777).

321980223 is a wasteful number, since it uses less digits than its factorization.

321980223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9962.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 321980223 is about 17943.8073719041. The cubic root of 321980223 is about 685.3983673897.

Subtracting 321980223 from its reverse (322089123), we obtain a square (108900 = 330²).

The spelling of 321980223 in words is "three hundred twenty-one million, nine hundred eighty thousand, two hundred twenty-three".