123221229983 has 2 divisors, whose sum is σ = 123221229984. Its totient is φ = 123221229982.

The previous prime is 123221229953. The next prime is 123221230117. The reversal of 123221229983 is 389922122321.

It is a weak prime.

It is an emirp because it is prime and its reverse (389922122321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123221229983 - 2⁶ = 123221229919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123221229953) 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, 61610614991 + 61610614992.

It is an arithmetic number, because the mean of its divisors is an integer number (61610614992).

Almost surely, 2^123221229983 is an apocalyptic number.

123221229983 is a deficient number, since it is larger than the sum of its proper divisors (1).

123221229983 is an equidigital number, since it uses as much as digits as its factorization.

123221229983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The spelling of 123221229983 in words is "one hundred twenty-three billion, two hundred twenty-one million, two hundred twenty-nine thousand, nine hundred eighty-three".