123155480448000 has 9504 divisors, whose sum is σ = 652081743069120. Its totient is φ = 22072393728000.

The previous prime is 123155480447947. The next prime is 123155480448043. The reversal of 123155480448000 is 844084551321.

123155480448000 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 55 + 480 + 44 + 80 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 1687061375964 + ... + 1687061376036.

Almost surely, 2^{123155480448000} is an apocalyptic number.

123155480448000 is a gapful number since it is divisible by the number (10) 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 123155480448000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326040871534560).

123155480448000 is an abundant number, since it is smaller than the sum of its proper divisors (528926262621120).

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

123155480448000 is a wasteful number, since it uses less digits than its factorization.

123155480448000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 123155480448000 in words is "one hundred twenty-three trillion, one hundred fifty-five billion, four hundred eighty million, four hundred forty-eight thousand".