200443 has 2 divisors, whose sum is σ = 200444.
Its totient is φ = 200442.
The previous prime is 200437. The next prime is 200461. The reversal of 200443 is 344002.
Adding to 200443 its reverse (344002), we get a palindrome (544445).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 200443 - 29 = 199931 is a prime.
It is equal to p18022 and since 200443 and 18022 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (200483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100221 + 100222.
It is an arithmetic number, because the mean of its divisors is an integer number (100222).
2200443 is an apocalyptic number.
200443 is a deficient number, since it is larger than the sum of its proper divisors (1).
200443 is an equidigital number, since it uses as much as digits as its factorization.
200443 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 13.
The square root of 200443 is about 447.7086105940.
The cubic root of 200443 is about 58.5235009189.
The spelling of 200443 in words is "two hundred thousand, four hundred forty-three", and thus it is an iban number.