123440550200 has 96 divisors (see below), whose sum is σ = 313280462160. Its totient is φ = 44860185600.

The previous prime is 123440550187. The next prime is 123440550203. The reversal of 123440550200 is 2055044321.

It is a happy number.

123440550200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 123440550200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123440550203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3796412 + ... + 3828788.

Almost surely, 2^123440550200 is an apocalyptic number.

123440550200 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 123440550200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156640231080).

123440550200 is an abundant number, since it is smaller than the sum of its proper divisors (189839911960).

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

123440550200 is a wasteful number, since it uses less digits than its factorization.

123440550200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34137 (or 34128 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 123440550200 its reverse (2055044321), we get a palindrome (125495594521).

The spelling of 123440550200 in words is "one hundred twenty-three billion, four hundred forty million, five hundred fifty thousand, two hundred".