123317331 has 16 divisors (see below), whose sum is σ = 168420864. Its totient is φ = 80223264.

The previous prime is 123317323. The next prime is 123317339. The reversal of 123317331 is 133713321.

It is an interprime number because it is at equal distance from previous prime (123317323) and next prime (123317339).

It is not a de Polignac number, because 123317331 - 2³ = 123317323 is a prime.

It is a super-2 number, since 2×123317331² = 30414328249927122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123317339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54876 + ... + 57078.

It is an arithmetic number, because the mean of its divisors is an integer number (10526304).

Almost surely, 2^123317331 is an apocalyptic number.

123317331 is a deficient number, since it is larger than the sum of its proper divisors (45103533).

123317331 is a wasteful number, since it uses less digits than its factorization.

123317331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650.

The product of its digits is 1134, while the sum is 24.

The square root of 123317331 is about 11104.8336772777. The cubic root of 123317331 is about 497.7462982528.

The spelling of 123317331 in words is "one hundred twenty-three million, three hundred seventeen thousand, three hundred thirty-one".