321223122089 has 2 divisors, whose sum is σ = 321223122090. Its totient is φ = 321223122088.

The previous prime is 321223122047. The next prime is 321223122133. The reversal of 321223122089 is 980221322123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320913186064 + 309936025 = 566492^2 + 17605^2 .

It is a cyclic number.

It is not a de Polignac number, because 321223122089 - 2⁸ = 321223121833 is a prime.

It is not a weakly prime, because it can be changed into another prime (321223122289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160611561044 + 160611561045.

It is an arithmetic number, because the mean of its divisors is an integer number (160611561045).

Almost surely, 2^321223122089 is an apocalyptic number.

It is an amenable number.

321223122089 is a deficient number, since it is larger than the sum of its proper divisors (1).

321223122089 is an equidigital number, since it uses as much as digits as its factorization.

321223122089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 321223122089 in words is "three hundred twenty-one billion, two hundred twenty-three million, one hundred twenty-two thousand, eighty-nine".