123430200 has 96 divisors (see below), whose sum is σ = 405174960. Its totient is φ = 30976000.

The previous prime is 123430199. The next prime is 123430243. The reversal of 123430200 is 2034321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123430200.

It is a congruent number.

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, 4150 + ... + 16250.

Almost surely, 2^123430200 is an apocalyptic number.

123430200 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 123430200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202587480).

123430200 is an abundant number, since it is smaller than the sum of its proper divisors (281744760).

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

123430200 is a wasteful number, since it uses less digits than its factorization.

123430200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12137 (or 12128 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 123430200 is about 11109.9144911201. The cubic root of 123430200 is about 497.8981098301.

Adding to 123430200 its reverse (2034321), we get a palindrome (125464521).

The spelling of 123430200 in words is "one hundred twenty-three million, four hundred thirty thousand, two hundred".