123222322217 has 2 divisors, whose sum is σ = 123222322218. Its totient is φ = 123222322216.

The previous prime is 123222322169. The next prime is 123222322229. The reversal of 123222322217 is 712223222321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113372950681 + 9849371536 = 336709^2 + 99244^2 .

It is a cyclic number.

It is not a de Polignac number, because 123222322217 - 2²⁶ = 123155213353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123222322217.

It is not a weakly prime, because it can be changed into another prime (123222322247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611161108 + 61611161109.

It is an arithmetic number, because the mean of its divisors is an integer number (61611161109).

Almost surely, 2^123222322217 is an apocalyptic number.

It is an amenable number.

123222322217 is a deficient number, since it is larger than the sum of its proper divisors (1).

123222322217 is an equidigital number, since it uses as much as digits as its factorization.

123222322217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

Adding to 123222322217 its reverse (712223222321), we get a palindrome (835445544538).

The spelling of 123222322217 in words is "one hundred twenty-three billion, two hundred twenty-two million, three hundred twenty-two thousand, two hundred seventeen".