316123 has 4 divisors (see below), whose sum is σ = 319480. Its totient is φ = 312768.

The previous prime is 316109. The next prime is 316133. The reversal of 316123 is 321613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321613 = 19 ⋅16927.

It is a cyclic number.

It is not a de Polignac number, because 316123 - 2¹⁷ = 185051 is a prime.

It is a super-2 number, since 2×316123² = 199867502258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316097 and 316106.

It is not an unprimeable number, because it can be changed into a prime (316133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (79870).

2³¹⁶¹²³ is an apocalyptic number.

316123 is a deficient number, since it is larger than the sum of its proper divisors (3357).

316123 is an equidigital number, since it uses as much as digits as its factorization.

316123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356.

The product of its digits is 108, while the sum is 16.

The square root of 316123 is about 562.2481658485. The cubic root of 316123 is about 68.1216823567.

Adding to 316123 its reverse (321613), we get a palindrome (637736).

The spelling of 316123 in words is "three hundred sixteen thousand, one hundred twenty-three".