123302917 has 2 divisors, whose sum is σ = 123302918. Its totient is φ = 123302916.

The previous prime is 123302911. The next prime is 123302929. The reversal of 123302917 is 719203321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97891236 + 25411681 = 9894^2 + 5041^2 .

It is a cyclic number.

It is not a de Polignac number, because 123302917 - 2²³ = 114914309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123302911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61651458 + 61651459.

It is an arithmetic number, because the mean of its divisors is an integer number (61651459).

Almost surely, 2^123302917 is an apocalyptic number.

It is an amenable number.

123302917 is a deficient number, since it is larger than the sum of its proper divisors (1).

123302917 is an equidigital number, since it uses as much as digits as its factorization.

123302917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 123302917 is about 11104.1846616490. The cubic root of 123302917 is about 497.7269043995.

The spelling of 123302917 in words is "one hundred twenty-three million, three hundred two thousand, nine hundred seventeen".