222123323 has 2 divisors, whose sum is σ = 222123324. Its totient is φ = 222123322.

The previous prime is 222123299. The next prime is 222123331. The reversal of 222123323 is 323321222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222123323 - 2⁸ = 222123067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222123295 and 222123304.

It is not a weakly prime, because it can be changed into another prime (222123373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061661 + 111061662.

It is an arithmetic number, because the mean of its divisors is an integer number (111061662).

Almost surely, 2^222123323 is an apocalyptic number.

222123323 is a deficient number, since it is larger than the sum of its proper divisors (1).

222123323 is an equidigital number, since it uses as much as digits as its factorization.

222123323 is an odious number, because the sum of its binary digits is odd.

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

The square root of 222123323 is about 14903.8023000844. The cubic root of 222123323 is about 605.6169950374.

Adding to 222123323 its reverse (323321222), we get a palindrome (545444545).

The spelling of 222123323 in words is "two hundred twenty-two million, one hundred twenty-three thousand, three hundred twenty-three".