243430367 has 4 divisors (see below), whose sum is σ = 254014320. Its totient is φ = 232846416.

The previous prime is 243430349. The next prime is 243430373. The reversal of 243430367 is 763034342.

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 243430367 - 2¹⁴ = 243413983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243430307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5291942 + ... + 5291987.

It is an arithmetic number, because the mean of its divisors is an integer number (63503580).

Almost surely, 2^243430367 is an apocalyptic number.

243430367 is a deficient number, since it is larger than the sum of its proper divisors (10583953).

243430367 is a wasteful number, since it uses less digits than its factorization.

243430367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583952.

The product of its (nonzero) digits is 36288, while the sum is 32.

The square root of 243430367 is about 15602.2551895551. The cubic root of 243430367 is about 624.3933244756.

The spelling of 243430367 in words is "two hundred forty-three million, four hundred thirty thousand, three hundred sixty-seven".