200240243 has 4 divisors (see below), whose sum is σ = 228846000. Its totient is φ = 171634488.

The previous prime is 200240219. The next prime is 200240251. The reversal of 200240243 is 342042002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342042002 = 2 ⋅171021001.

It is a cyclic number.

It is not a de Polignac number, because 200240243 - 2²⁶ = 133131379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200240213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14302868 + ... + 14302881.

It is an arithmetic number, because the mean of its divisors is an integer number (57211500).

Almost surely, 2^200240243 is an apocalyptic number.

200240243 is a deficient number, since it is larger than the sum of its proper divisors (28605757).

200240243 is an equidigital number, since it uses as much as digits as its factorization.

200240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28605756.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 200240243 is about 14150.6269472416. The cubic root of 200240243 is about 585.0376122114.

Adding to 200240243 its reverse (342042002), we get a palindrome (542282245).

The spelling of 200240243 in words is "two hundred million, two hundred forty thousand, two hundred forty-three".