243206843377 has 8 divisors (see below), whose sum is σ = 243468883136. Its totient is φ = 242944911792.

The previous prime is 243206843357. The next prime is 243206843437. The reversal of 243206843377 is 773348602342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243206843377 - 2¹¹ = 243206841329 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 243206843377.

It is not an unprimeable number, because it can be changed into a prime (243206843357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4956988 + ... + 5005810.

It is an arithmetic number, because the mean of its divisors is an integer number (30433610392).

Almost surely, 2^243206843377 is an apocalyptic number.

It is an amenable number.

243206843377 is a deficient number, since it is larger than the sum of its proper divisors (262039759).

243206843377 is a wasteful number, since it uses less digits than its factorization.

243206843377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54087.

The product of its (nonzero) digits is 4064256, while the sum is 49.

The spelling of 243206843377 in words is "two hundred forty-three billion, two hundred six million, eight hundred forty-three thousand, three hundred seventy-seven".