123184882086 has 128 divisors (see below), whose sum is σ = 291325870080. Its totient is φ = 33997335552.

The previous prime is 123184881991. The next prime is 123184882091. The reversal of 123184882086 is 680288481321.

It is a super-2 number, since 2×123184882086² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96312795 + ... + 96314073.

It is an arithmetic number, because the mean of its divisors is an integer number (2275983360).

Almost surely, 2^123184882086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123184882086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145662935040).

123184882086 is an abundant number, since it is smaller than the sum of its proper divisors (168140987994).

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

123184882086 is a wasteful number, since it uses less digits than its factorization.

123184882086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 1179648, while the sum is 51.

The spelling of 123184882086 in words is "one hundred twenty-three billion, one hundred eighty-four million, eight hundred eighty-two thousand, eighty-six".