206334143 has 4 divisors (see below), whose sum is σ = 206776440. Its totient is φ = 205891848.

The previous prime is 206334113. The next prime is 206334179. The reversal of 206334143 is 341433602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206334143 - 2¹⁰ = 206333119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206334103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220448 + ... + 221381.

It is an arithmetic number, because the mean of its divisors is an integer number (51694110).

Almost surely, 2^206334143 is an apocalyptic number.

206334143 is a deficient number, since it is larger than the sum of its proper divisors (442297).

206334143 is an equidigital number, since it uses as much as digits as its factorization.

206334143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442296.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 206334143 is about 14364.3358008646. The cubic root of 206334143 is about 590.9132108969.

Adding to 206334143 its reverse (341433602), we get a palindrome (547767745).

The spelling of 206334143 in words is "two hundred six million, three hundred thirty-four thousand, one hundred forty-three".