323620223 has 2 divisors, whose sum is σ = 323620224. Its totient is φ = 323620222.

The previous prime is 323620153. The next prime is 323620243. The reversal of 323620223 is 322026323.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323620223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323620243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161810111 + 161810112.

It is an arithmetic number, because the mean of its divisors is an integer number (161810112).

Almost surely, 2^323620223 is an apocalyptic number.

323620223 is a deficient number, since it is larger than the sum of its proper divisors (1).

323620223 is an equidigital number, since it uses as much as digits as its factorization.

323620223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 323620223 is about 17989.4475457141. The cubic root of 323620223 is about 686.5600849700.

Adding to 323620223 its reverse (322026323), we get a palindrome (645646546).

The spelling of 323620223 in words is "three hundred twenty-three million, six hundred twenty thousand, two hundred twenty-three".