206043243 has 8 divisors (see below), whose sum is σ = 313970688. Its totient is φ = 117738984.

The previous prime is 206043217. The next prime is 206043259. The reversal of 206043243 is 342340602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206043243 - 2¹² = 206039147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206043203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4905771 + ... + 4905812.

It is an arithmetic number, because the mean of its divisors is an integer number (39246336).

Almost surely, 2^206043243 is an apocalyptic number.

206043243 is a deficient number, since it is larger than the sum of its proper divisors (107927445).

206043243 is an equidigital number, since it uses as much as digits as its factorization.

206043243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9811593.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 206043243 is about 14354.2064566454. The cubic root of 206043243 is about 590.6353808091.

Adding to 206043243 its reverse (342340602), we get a palindrome (548383845).

The spelling of 206043243 in words is "two hundred six million, forty-three thousand, two hundred forty-three".