200123203 has 6 divisors (see below), whose sum is σ = 232796436. Its totient is φ = 171534132.

The previous prime is 200123191. The next prime is 200123233. The reversal of 200123203 is 302321002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-200123203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200123233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2042025 + ... + 2042122.

It is an arithmetic number, because the mean of its divisors is an integer number (38799406).

Almost surely, 2^200123203 is an apocalyptic number.

200123203 is a deficient number, since it is larger than the sum of its proper divisors (32673233).

200123203 is an equidigital number, since it uses as much as digits as its factorization.

200123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084161 (or 4084154 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 200123203 is about 14146.4908369532. The cubic root of 200123203 is about 584.9236055793.

Adding to 200123203 its reverse (302321002), we get a palindrome (502444205).

The spelling of 200123203 in words is "two hundred million, one hundred twenty-three thousand, two hundred three".