123203130200 has 96 divisors (see below), whose sum is σ = 297831718800. Its totient is φ = 47339927040.

The previous prime is 123203130199. The next prime is 123203130203. The reversal of 123203130200 is 2031302321.

It is a super-2 number, since 2×123203130200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123203130203) 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, 1088687 + ... + 1196513.

Almost surely, 2^123203130200 is an apocalyptic number.

123203130200 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 123203130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148915859400).

123203130200 is an abundant number, since it is smaller than the sum of its proper divisors (174628588600).

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

123203130200 is a wasteful number, since it uses less digits than its factorization.

123203130200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108069 (or 108060 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123203130200 its reverse (2031302321), we get a palindrome (125234432521).

The spelling of 123203130200 in words is "one hundred twenty-three billion, two hundred three million, one hundred thirty thousand, two hundred".