243733243 has 8 divisors (see below), whose sum is σ = 262701936. Its totient is φ = 224796000.

The previous prime is 243733241. The next prime is 243733271. The reversal of 243733243 is 342337342.

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

It is not a de Polignac number, because 243733243 - 2¹ = 243733241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243733241) 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, 9708 + ... + 24118.

It is an arithmetic number, because the mean of its divisors is an integer number (32837742).

Almost surely, 2^243733243 is an apocalyptic number.

243733243 is a deficient number, since it is larger than the sum of its proper divisors (18968693).

243733243 is a wasteful number, since it uses less digits than its factorization.

243733243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15725.

The product of its digits is 36288, while the sum is 31.

The square root of 243733243 is about 15611.9583332777. The cubic root of 243733243 is about 624.6521738230.

The spelling of 243733243 in words is "two hundred forty-three million, seven hundred thirty-three thousand, two hundred forty-three".