123303400200 has 576 divisors, whose sum is σ = 457830696960. Its totient is φ = 30769009920.

The previous prime is 123303400163. The next prime is 123303400243. The reversal of 123303400200 is 2004303321.

123303400200 is a `hidden beast` number, since 123 + 3 + 0 + 340 + 0 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 143 ways as a sum of consecutive naturals, for example, 52535427 + ... + 52537773.

It is an arithmetic number, because the mean of its divisors is an integer number (794844960).

Almost surely, 2^123303400200 is an apocalyptic number.

123303400200 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 123303400200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228915348480).

123303400200 is an abundant number, since it is smaller than the sum of its proper divisors (334527296760).

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

123303400200 is a wasteful number, since it uses less digits than its factorization.

123303400200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 123303400200 its reverse (2004303321), we get a palindrome (125307703521).

The spelling of 123303400200 in words is "one hundred twenty-three billion, three hundred three million, four hundred thousand, two hundred".