206006023 has 4 divisors (see below), whose sum is σ = 207239760. Its totient is φ = 204772288.

The previous prime is 206005939. The next prime is 206006027. The reversal of 206006023 is 320600602.

206006023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 206006023 - 2⁹ = 206005511 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 (206006027) 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, 616618 + ... + 616951.

It is an arithmetic number, because the mean of its divisors is an integer number (51809940).

Almost surely, 2^206006023 is an apocalyptic number.

206006023 is a deficient number, since it is larger than the sum of its proper divisors (1233737).

206006023 is a wasteful number, since it uses less digits than its factorization.

206006023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233736.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 206006023 is about 14352.9099140209. The cubic root of 206006023 is about 590.5998142093.

Adding to 206006023 its reverse (320600602), we get a palindrome (526606625).

The spelling of 206006023 in words is "two hundred six million, six thousand, twenty-three".