123202202317 has 2 divisors, whose sum is σ = 123202202318. Its totient is φ = 123202202316.

The previous prime is 123202202269. The next prime is 123202202323. The reversal of 123202202317 is 713202202321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93115912201 + 30086290116 = 305149^2 + 173454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123202202317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123202202291 and 123202202300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123202202327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601101158 + 61601101159.

It is an arithmetic number, because the mean of its divisors is an integer number (61601101159).

Almost surely, 2^123202202317 is an apocalyptic number.

It is an amenable number.

123202202317 is a deficient number, since it is larger than the sum of its proper divisors (1).

123202202317 is an equidigital number, since it uses as much as digits as its factorization.

123202202317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 123202202317 its reverse (713202202321), we get a palindrome (836404404638).

The spelling of 123202202317 in words is "one hundred twenty-three billion, two hundred two million, two hundred two thousand, three hundred seventeen".