123244351553200 has 120 divisors (see below), whose sum is σ = 300185260770816. Its totient is φ = 48616821504000.

The previous prime is 123244351553179. The next prime is 123244351553233. The reversal of 123244351553200 is 2355153442321.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257626230 + ... + 258104170.

Almost surely, 2^{123244351553200} is an apocalyptic number.

123244351553200 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 123244351553200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150092630385408).

123244351553200 is an abundant number, since it is smaller than the sum of its proper divisors (176940909217616).

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

123244351553200 is a wasteful number, since it uses less digits than its factorization.

123244351553200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486863 (or 486852 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 123244351553200 in words is "one hundred twenty-three trillion, two hundred forty-four billion, three hundred fifty-one million, five hundred fifty-three thousand, two hundred".