123900200 has 48 divisors (see below), whose sum is σ = 294787680. Its totient is φ = 48404160.

The previous prime is 123900187. The next prime is 123900239. The reversal of 123900200 is 2009321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1397 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (6141410).

Almost surely, 2^123900200 is an apocalyptic number.

123900200 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 123900200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147393840).

123900200 is an abundant number, since it is smaller than the sum of its proper divisors (170887480).

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

123900200 is a wasteful number, since it uses less digits than its factorization.

123900200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466 (or 14457 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 123900200 is about 11131.0466713602. The cubic root of 123900200 is about 498.5292781964.

Adding to 123900200 its reverse (2009321), we get a palindrome (125909521).

The spelling of 123900200 in words is "one hundred twenty-three million, nine hundred thousand, two hundred".