223320321293 has 2 divisors, whose sum is σ = 223320321294. Its totient is φ = 223320321292.

The previous prime is 223320321281. The next prime is 223320321331. The reversal of 223320321293 is 392123023322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217881701284 + 5438620009 = 466778^2 + 73747^2 .

It is a cyclic number.

It is not a de Polignac number, because 223320321293 - 2²² = 223316126989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223320321233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111660160646 + 111660160647.

It is an arithmetic number, because the mean of its divisors is an integer number (111660160647).

Almost surely, 2^223320321293 is an apocalyptic number.

It is an amenable number.

223320321293 is a deficient number, since it is larger than the sum of its proper divisors (1).

223320321293 is an equidigital number, since it uses as much as digits as its factorization.

223320321293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 223320321293 in words is "two hundred twenty-three billion, three hundred twenty million, three hundred twenty-one thousand, two hundred ninety-three".