200123271 has 8 divisors (see below), whose sum is σ = 296478960. Its totient is φ = 133415496.

The previous prime is 200123263. The next prime is 200123293. The reversal of 200123271 is 172321002.

It is not a de Polignac number, because 200123271 - 2³ = 200123263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200123971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3705960 + ... + 3706013.

It is an arithmetic number, because the mean of its divisors is an integer number (37059870).

Almost surely, 2^200123271 is an apocalyptic number.

200123271 is a deficient number, since it is larger than the sum of its proper divisors (96355689).

200123271 is an equidigital number, since it uses as much as digits as its factorization.

200123271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411982 (or 7411976 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 200123271 is about 14146.4932403759. The cubic root of 200123271 is about 584.9236718298.

Adding to 200123271 its reverse (172321002), we get a palindrome (372444273).

The spelling of 200123271 in words is "two hundred million, one hundred twenty-three thousand, two hundred seventy-one".