243302293 has 8 divisors (see below), whose sum is σ = 262307808. Its totient is φ = 224338224.

The previous prime is 243302263. The next prime is 243302309. The reversal of 243302293 is 392203342.

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 243302293 - 2⁵ = 243302261 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 (243302203) 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, 2430 + ... + 22192.

It is an arithmetic number, because the mean of its divisors is an integer number (32788476).

Almost surely, 2^243302293 is an apocalyptic number.

It is an amenable number.

243302293 is a deficient number, since it is larger than the sum of its proper divisors (19005515).

243302293 is a wasteful number, since it uses less digits than its factorization.

243302293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20723.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 243302293 is about 15598.1503070076. The cubic root of 243302293 is about 624.2838029724.

The spelling of 243302293 in words is "two hundred forty-three million, three hundred two thousand, two hundred ninety-three".