206011343 has 4 divisors (see below), whose sum is σ = 206091480. Its totient is φ = 205931208.

The previous prime is 206011339. The next prime is 206011361. The reversal of 206011343 is 343110602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343110602 = 2 ⋅171555301.

It is a cyclic number.

It is not a de Polignac number, because 206011343 - 2² = 206011339 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 (206011313) 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, 36080 + ... + 41397.

It is an arithmetic number, because the mean of its divisors is an integer number (51522870).

Almost surely, 2^206011343 is an apocalyptic number.

206011343 is a deficient number, since it is larger than the sum of its proper divisors (80137).

206011343 is an equidigital number, since it uses as much as digits as its factorization.

206011343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80136.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 206011343 is about 14353.0952410970. The cubic root of 206011343 is about 590.6048981447.

Adding to 206011343 its reverse (343110602), we get a palindrome (549121945).

The spelling of 206011343 in words is "two hundred six million, eleven thousand, three hundred forty-three".