223220323 has 2 divisors, whose sum is σ = 223220324. Its totient is φ = 223220322.

The previous prime is 223220321. The next prime is 223220381. The reversal of 223220323 is 323022322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223220323 - 2¹ = 223220321 is a prime.

It is a super-3 number, since 3×223220323³ (a number of 26 digits) contains 333 as substring.

Together with 223220321, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 223220323.

It is not a weakly prime, because it can be changed into another prime (223220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111610161 + 111610162.

It is an arithmetic number, because the mean of its divisors is an integer number (111610162).

Almost surely, 2^223220323 is an apocalyptic number.

223220323 is a deficient number, since it is larger than the sum of its proper divisors (1).

223220323 is an equidigital number, since it uses as much as digits as its factorization.

223220323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 223220323 is about 14940.5596615388. The cubic root of 223220323 is about 606.6123447248.

Adding to 223220323 its reverse (323022322), we get a palindrome (546242645).

The spelling of 223220323 in words is "two hundred twenty-three million, two hundred twenty thousand, three hundred twenty-three".