321323 has 2 divisors, whose sum is σ = 321324. Its totient is φ = 321322.

The previous prime is 321319. The next prime is 321329. The reversal of 321323 is 323123.

It is a weak prime.

It is an emirp because it is prime and its reverse (323123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321323 - 2² = 321319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321298 and 321307.

It is not a weakly prime, because it can be changed into another prime (321329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160661 + 160662.

It is an arithmetic number, because the mean of its divisors is an integer number (160662).

2³²¹³²³ is an apocalyptic number.

321323 is a deficient number, since it is larger than the sum of its proper divisors (1).

321323 is an equidigital number, since it uses as much as digits as its factorization.

321323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 14.

The square root of 321323 is about 566.8535966191. The cubic root of 321323 is about 68.4931706833.

Adding to 321323 its reverse (323123), we get a palindrome (644446).

The spelling of 321323 in words is "three hundred twenty-one thousand, three hundred twenty-three", and thus it is an iban number.