123559799622 has 64 divisors (see below), whose sum is σ = 287840770560. Its totient is φ = 34625919744.

The previous prime is 123559799581. The next prime is 123559799641. The reversal of 123559799622 is 226997955321.

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, 9474018 + ... + 9487050.

It is an arithmetic number, because the mean of its divisors is an integer number (4497512040).

Almost surely, 2^123559799622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123559799622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143920385280).

123559799622 is an abundant number, since it is smaller than the sum of its proper divisors (164280970938).

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

123559799622 is a wasteful number, since it uses less digits than its factorization.

123559799622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17357.

The product of its digits is 18370800, while the sum is 60.

The spelling of 123559799622 in words is "one hundred twenty-three billion, five hundred fifty-nine million, seven hundred ninety-nine thousand, six hundred twenty-two".