321232223321 has 2 divisors, whose sum is σ = 321232223322. Its totient is φ = 321232223320.

The previous prime is 321232223317. The next prime is 321232223327. The reversal of 321232223321 is 123322232123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226390398025 + 94841825296 = 475805^2 + 307964^2 .

It is an emirp because it is prime and its reverse (123322232123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321232223321 - 2² = 321232223317 is a prime.

It is not a weakly prime, because it can be changed into another prime (321232223327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160616111660 + 160616111661.

It is an arithmetic number, because the mean of its divisors is an integer number (160616111661).

Almost surely, 2^321232223321 is an apocalyptic number.

It is an amenable number.

321232223321 is a deficient number, since it is larger than the sum of its proper divisors (1).

321232223321 is an equidigital number, since it uses as much as digits as its factorization.

321232223321 is an evil number, because the sum of its binary digits is even.

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

Adding to 321232223321 its reverse (123322232123), we get a palindrome (444554455444).

The spelling of 321232223321 in words is "three hundred twenty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, three hundred twenty-one".