123315316 has 12 divisors (see below), whose sum is σ = 215887140. Its totient is φ = 61633280.

The previous prime is 123315307. The next prime is 123315317. The reversal of 123315316 is 613513321.

It can be written as a sum of positive squares in 2 ways, for example, as 72250000 + 51065316 = 8500^2 + 7146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123315317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10020 + ... + 18628.

It is an arithmetic number, because the mean of its divisors is an integer number (17990595).

Almost surely, 2^123315316 is an apocalyptic number.

It is an amenable number.

123315316 is a deficient number, since it is larger than the sum of its proper divisors (92571824).

123315316 is a wasteful number, since it uses less digits than its factorization.

123315316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12194 (or 12192 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 123315316 is about 11104.7429506495. The cubic root of 123315316 is about 497.7435871868.

Adding to 123315316 its reverse (613513321), we get a palindrome (736828637).

The spelling of 123315316 in words is "one hundred twenty-three million, three hundred fifteen thousand, three hundred sixteen".