222312323 has 2 divisors, whose sum is σ = 222312324. Its totient is φ = 222312322.

The previous prime is 222312271. The next prime is 222312329. The reversal of 222312323 is 323213222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222312323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222312295 and 222312304.

It is not a weakly prime, because it can be changed into another prime (222312329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111156161 + 111156162.

It is an arithmetic number, because the mean of its divisors is an integer number (111156162).

Almost surely, 2^222312323 is an apocalyptic number.

222312323 is a deficient number, since it is larger than the sum of its proper divisors (1).

222312323 is an equidigital number, since it uses as much as digits as its factorization.

222312323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 20.

The square root of 222312323 is about 14910.1416156923. The cubic root of 222312323 is about 605.7887152055.

Adding to 222312323 its reverse (323213222), we get a palindrome (545525545).

The spelling of 222312323 in words is "two hundred twenty-two million, three hundred twelve thousand, three hundred twenty-three".