123617346916 has 48 divisors (see below), whose sum is σ = 252115307136. Its totient is φ = 51934731264.

The previous prime is 123617346883. The next prime is 123617346929. The reversal of 123617346916 is 619643716321.

It is a super-2 number, since 2×123617346916² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123617346916.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1726420 + ... + 1796596.

It is an arithmetic number, because the mean of its divisors is an integer number (5252402232).

Almost surely, 2^123617346916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123617346916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126057653568).

123617346916 is an abundant number, since it is smaller than the sum of its proper divisors (128497960220).

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

123617346916 is a wasteful number, since it uses less digits than its factorization.

123617346916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71428 (or 71426 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The spelling of 123617346916 in words is "one hundred twenty-three billion, six hundred seventeen million, three hundred forty-six thousand, nine hundred sixteen".