205368843 has 4 divisors (see below), whose sum is σ = 273825128. Its totient is φ = 136912560.

The previous prime is 205368841. The next prime is 205368847. The reversal of 205368843 is 348863502.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 205368843 - 2¹ = 205368841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205368841) 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, 34228138 + ... + 34228143.

It is an arithmetic number, because the mean of its divisors is an integer number (68456282).

Almost surely, 2^205368843 is an apocalyptic number.

205368843 is a deficient number, since it is larger than the sum of its proper divisors (68456285).

205368843 is an equidigital number, since it uses as much as digits as its factorization.

205368843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68456284.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 205368843 is about 14330.6958309776. The cubic root of 205368843 is about 589.9902737073.

The spelling of 205368843 in words is "two hundred five million, three hundred sixty-eight thousand, eight hundred forty-three".