317123 has 2 divisors, whose sum is σ = 317124. Its totient is φ = 317122.

The previous prime is 317089. The next prime is 317159. The reversal of 317123 is 321713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317123 - 2¹⁴ = 300739 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (317323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158561 + 158562.

It is an arithmetic number, because the mean of its divisors is an integer number (158562).

2³¹⁷¹²³ is an apocalyptic number.

317123 is a deficient number, since it is larger than the sum of its proper divisors (1).

317123 is an equidigital number, since it uses as much as digits as its factorization.

317123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126, while the sum is 17.

The square root of 317123 is about 563.1367507098. The cubic root of 317123 is about 68.1934371041.

Adding to 317123 its reverse (321713), we get a palindrome (638836).

The spelling of 317123 in words is "three hundred seventeen thousand, one hundred twenty-three", and thus it is an iban number.