201123200 has 48 divisors (see below), whose sum is σ = 496845060. Its totient is φ = 80448000.

The previous prime is 201123187. The next prime is 201123229. The reversal of 201123200 is 2321102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28226 + ... + 34625.

Almost surely, 2^201123200 is an apocalyptic number.

201123200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201123200 is an abundant number, since it is smaller than the sum of its proper divisors (295721860).

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

201123200 is an equidigital number, since it uses as much as digits as its factorization.

201123200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62875 (or 62858 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201123200 is about 14181.7911421654. The cubic root of 201123200 is about 585.8962568778.

Adding to 201123200 its reverse (2321102), we get a palindrome (203444302).

The spelling of 201123200 in words is "two hundred one million, one hundred twenty-three thousand, two hundred".