316020123 has 20 divisors (see below), whose sum is σ = 499851000. Its totient is φ = 198286272.

The previous prime is 316020121. The next prime is 316020127. The reversal of 316020123 is 321020613.

It is not a de Polignac number, because 316020123 - 2¹ = 316020121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316020096 and 316020105.

It is not an unprimeable number, because it can be changed into a prime (316020121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113373 + ... + 116126.

It is an arithmetic number, because the mean of its divisors is an integer number (24992550).

Almost surely, 2^316020123 is an apocalyptic number.

316020123 is a deficient number, since it is larger than the sum of its proper divisors (183830877).

316020123 is a wasteful number, since it uses less digits than its factorization.

316020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229528 (or 229519 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 316020123 is about 17776.9548292164. The cubic root of 316020123 is about 681.1429186350.

Adding to 316020123 its reverse (321020613), we get a palindrome (637040736).

The spelling of 316020123 in words is "three hundred sixteen million, twenty thousand, one hundred twenty-three".