321322123 has 2 divisors, whose sum is σ = 321322124. Its totient is φ = 321322122.

The previous prime is 321322031. The next prime is 321322147. The reversal of 321322123 is 321223123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321322123 - 2¹⁷ = 321191051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321322123.

It is not a weakly prime, because it can be changed into another prime (321322163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160661061 + 160661062.

It is an arithmetic number, because the mean of its divisors is an integer number (160661062).

Almost surely, 2^321322123 is an apocalyptic number.

321322123 is a deficient number, since it is larger than the sum of its proper divisors (1).

321322123 is an equidigital number, since it uses as much as digits as its factorization.

321322123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 19.

The square root of 321322123 is about 17925.4601893508. The cubic root of 321322123 is about 684.9310836949.

Adding to 321322123 its reverse (321223123), we get a palindrome (642545246).

The spelling of 321322123 in words is "three hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-three".