243454347 has 12 divisors (see below), whose sum is σ = 359834904. Its totient is φ = 158528160.

The previous prime is 243454307. The next prime is 243454357. The reversal of 243454347 is 743454342.

It is not a de Polignac number, because 243454347 - 2⁶ = 243454283 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (243454307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314154 + ... + 314927.

It is an arithmetic number, because the mean of its divisors is an integer number (29986242).

Almost surely, 2^243454347 is an apocalyptic number.

243454347 is a deficient number, since it is larger than the sum of its proper divisors (116380557).

243454347 is a wasteful number, since it uses less digits than its factorization.

243454347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629130 (or 629127 counting only the distinct ones).

The product of its digits is 161280, while the sum is 36.

The square root of 243454347 is about 15603.0236492803. The cubic root of 243454347 is about 624.4138265196.

The spelling of 243454347 in words is "two hundred forty-three million, four hundred fifty-four thousand, three hundred forty-seven".