123287316 has 24 divisors (see below), whose sum is σ = 288064224. Its totient is φ = 41039520.

The previous prime is 123287309. The next prime is 123287347. The reversal of 123287316 is 613782321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2631 + ... + 15921.

It is an arithmetic number, because the mean of its divisors is an integer number (12002676).

Almost surely, 2^123287316 is an apocalyptic number.

It is an amenable number.

123287316 is an abundant number, since it is smaller than the sum of its proper divisors (164776908).

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

123287316 is a wasteful number, since it uses less digits than its factorization.

123287316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14071 (or 14069 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 123287316 is about 11103.4821565129. The cubic root of 123287316 is about 497.7059117494.

The spelling of 123287316 in words is "one hundred twenty-three million, two hundred eighty-seven thousand, three hundred sixteen".