123221300717 has 2 divisors, whose sum is σ = 123221300718. Its totient is φ = 123221300716.

The previous prime is 123221300707. The next prime is 123221300729. The reversal of 123221300717 is 717003122321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121983246121 + 1238054596 = 349261^2 + 35186^2 .

It is a cyclic number.

It is not a de Polignac number, because 123221300717 - 2¹⁰ = 123221299693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123221300717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123221300707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61610650358 + 61610650359.

It is an arithmetic number, because the mean of its divisors is an integer number (61610650359).

Almost surely, 2^123221300717 is an apocalyptic number.

It is an amenable number.

123221300717 is a deficient number, since it is larger than the sum of its proper divisors (1).

123221300717 is an equidigital number, since it uses as much as digits as its factorization.

123221300717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The spelling of 123221300717 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred thousand, seven hundred seventeen".