123302317 has 2 divisors, whose sum is σ = 123302318. Its totient is φ = 123302316.

The previous prime is 123302261. The next prime is 123302321. The reversal of 123302317 is 713203321.

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., 107453956 + 15848361 = 10366^2 + 3981^2 .

It is an emirp because it is prime and its reverse (713203321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123302317 - 2⁷ = 123302189 is a prime.

It is a super-2 number, since 2×123302317² = 30406922755136978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123302357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61651158 + 61651159.

It is an arithmetic number, because the mean of its divisors is an integer number (61651159).

Almost surely, 2^123302317 is an apocalyptic number.

It is an amenable number.

123302317 is a deficient number, since it is larger than the sum of its proper divisors (1).

123302317 is an equidigital number, since it uses as much as digits as its factorization.

123302317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 123302317 is about 11104.1576447743. The cubic root of 123302317 is about 497.7260970743.

Adding to 123302317 its reverse (713203321), we get a palindrome (836505638).

The spelling of 123302317 in words is "one hundred twenty-three million, three hundred two thousand, three hundred seventeen".