206530735023 has 12 divisors (see below), whose sum is σ = 302408778880. Its totient is φ = 135801030816.

The previous prime is 206530735003. The next prime is 206530735027. The reversal of 206530735023 is 320537035602.

206530735023 is a `hidden beast` number, since 2 + 0 + 6 + 530 + 73 + 50 + 2 + 3 = 666.

206530735023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206530735023 - 2³⁰ = 205456993199 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 (206530735027) 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 11 ways as a sum of consecutive naturals, for example, 157176463 + ... + 157177776.

Almost surely, 2^206530735023 is an apocalyptic number.

206530735023 is a deficient number, since it is larger than the sum of its proper divisors (95878043857).

206530735023 is a wasteful number, since it uses less digits than its factorization.

206530735023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314354318 (or 314354315 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 36.

The spelling of 206530735023 in words is "two hundred six billion, five hundred thirty million, seven hundred thirty-five thousand, twenty-three".