123220323319 has 2 divisors, whose sum is σ = 123220323320. Its totient is φ = 123220323318.

The previous prime is 123220323313. The next prime is 123220323323. The reversal of 123220323319 is 913323022321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123220323319 - 2³ = 123220323311 is a prime.

It is a super-2 number, since 2×123220323319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123220323311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61610161659 + 61610161660.

It is an arithmetic number, because the mean of its divisors is an integer number (61610161660).

Almost surely, 2^123220323319 is an apocalyptic number.

123220323319 is a deficient number, since it is larger than the sum of its proper divisors (1).

123220323319 is an equidigital number, since it uses as much as digits as its factorization.

123220323319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 123220323319 in words is "one hundred twenty-three billion, two hundred twenty million, three hundred twenty-three thousand, three hundred nineteen".