123315008 has 28 divisors (see below), whose sum is σ = 259099812. Its totient is φ = 58030080.

The previous prime is 123315007. The next prime is 123315011. The reversal of 123315008 is 800513321.

It can be written as a sum of positive squares in 2 ways, for example, as 62599744 + 60715264 = 7912^2 + 7792^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123315007) 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, 55583 + ... + 57758.

Almost surely, 2^123315008 is an apocalyptic number.

It is an amenable number.

123315008 is an abundant number, since it is smaller than the sum of its proper divisors (135784804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123315008 is a wasteful number, since it uses less digits than its factorization.

123315008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113370 (or 113360 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 123315008 is about 11104.7290826927. The cubic root of 123315008 is about 497.7431727880.

Adding to 123315008 its reverse (800513321), we get a palindrome (923828329).

The spelling of 123315008 in words is "one hundred twenty-three million, three hundred fifteen thousand, eight".