206393523143 has 8 divisors (see below), whose sum is σ = 228035811168. Its totient is φ = 185806956544.

The previous prime is 206393523103. The next prime is 206393523187. The reversal of 206393523143 is 341325393602.

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 206393523143 - 2¹⁶ = 206393457607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206393523143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206393523103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263929946 + ... + 263930727.

It is an arithmetic number, because the mean of its divisors is an integer number (28504476396).

Almost surely, 2^206393523143 is an apocalyptic number.

206393523143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

206393523143 is a deficient number, since it is larger than the sum of its proper divisors (21642288025).

206393523143 is a wasteful number, since it uses less digits than its factorization.

206393523143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527860713.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 206393523143 in words is "two hundred six billion, three hundred ninety-three million, five hundred twenty-three thousand, one hundred forty-three".