206424321443 has 4 divisors (see below), whose sum is σ = 206432285928. Its totient is φ = 206416356960.

The previous prime is 206424321419. The next prime is 206424321473. The reversal of 206424321443 is 344123424602.

206424321443 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 206424321443 - 2¹⁸ = 206424059299 is a prime.

It is a super-2 number, since 2×206424321443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206424321403) 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 3 ways as a sum of consecutive naturals, for example, 3943238 + ... + 3995243.

It is an arithmetic number, because the mean of its divisors is an integer number (51608071482).

Almost surely, 2^206424321443 is an apocalyptic number.

206424321443 is a deficient number, since it is larger than the sum of its proper divisors (7964485).

206424321443 is an equidigital number, since it uses as much as digits as its factorization.

206424321443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7964484.

The product of its (nonzero) digits is 110592, while the sum is 35.

The spelling of 206424321443 in words is "two hundred six billion, four hundred twenty-four million, three hundred twenty-one thousand, four hundred forty-three".