123416286 has 64 divisors (see below), whose sum is σ = 307238400. Its totient is φ = 32247936.

The previous prime is 123416263. The next prime is 123416291. The reversal of 123416286 is 682614321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20476 + ... + 25808.

It is an arithmetic number, because the mean of its divisors is an integer number (4800600).

Almost surely, 2^123416286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123416286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153619200).

123416286 is an abundant number, since it is smaller than the sum of its proper divisors (183822114).

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

123416286 is a wasteful number, since it uses less digits than its factorization.

123416286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393.

The product of its digits is 13824, while the sum is 33.

The square root of 123416286 is about 11109.2882760328. The cubic root of 123416286 is about 497.8794001609.

The spelling of 123416286 in words is "one hundred twenty-three million, four hundred sixteen thousand, two hundred eighty-six".