323303013221 has 2 divisors, whose sum is σ = 323303013222. Its totient is φ = 323303013220.

The previous prime is 323303013199. The next prime is 323303013263. The reversal of 323303013221 is 122310303323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312884728321 + 10418284900 = 559361^2 + 102070^2 .

It is a cyclic number.

It is not a de Polignac number, because 323303013221 - 2¹⁸ = 323302751077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323303013281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161651506610 + 161651506611.

It is an arithmetic number, because the mean of its divisors is an integer number (161651506611).

Almost surely, 2^323303013221 is an apocalyptic number.

It is an amenable number.

323303013221 is a deficient number, since it is larger than the sum of its proper divisors (1).

323303013221 is an equidigital number, since it uses as much as digits as its factorization.

323303013221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 323303013221 its reverse (122310303323), we get a palindrome (445613316544).

The spelling of 323303013221 in words is "three hundred twenty-three billion, three hundred three million, thirteen thousand, two hundred twenty-one".