123809804120088 has 160 divisors (see below), whose sum is σ = 349040576079360. Its totient is φ = 41001995059200.

The previous prime is 123809804120071. The next prime is 123809804120111. The reversal of 123809804120088 is 880021408908321.

123809804120088 is a `hidden beast` number, since 1 + 238 + 0 + 98 + 0 + 41 + 200 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62812738 + ... + 64753838.

It is an arithmetic number, because the mean of its divisors is an integer number (2181503600496).

Almost surely, 2^{123809804120088} is an apocalyptic number.

123809804120088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123809804120088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174520288039680).

123809804120088 is an abundant number, since it is smaller than the sum of its proper divisors (225230771959272).

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

123809804120088 is a wasteful number, since it uses less digits than its factorization.

123809804120088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941759 (or 1941746 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The spelling of 123809804120088 in words is "one hundred twenty-three trillion, eight hundred nine billion, eight hundred four million, one hundred twenty thousand, eighty-eight".