243004323 has 8 divisors (see below), whose sum is σ = 324166336. Its totient is φ = 161922600.

The previous prime is 243004313. The next prime is 243004327. The reversal of 243004323 is 323400342.

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

It is not a de Polignac number, because 243004323 - 2⁵ = 243004291 is a prime.

It is a super-2 number, since 2×243004323² = 118102201993376658, which contains 22 as substring.

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 243004323.

It is not an unprimeable number, because it can be changed into a prime (243004327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12613 + ... + 25398.

It is an arithmetic number, because the mean of its divisors is an integer number (40520792).

Almost surely, 2^243004323 is an apocalyptic number.

243004323 is a deficient number, since it is larger than the sum of its proper divisors (81162013).

243004323 is a wasteful number, since it uses less digits than its factorization.

243004323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40145.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 243004323 is about 15588.5959277929. The cubic root of 243004323 is about 624.0288473884.

Adding to 243004323 its reverse (323400342), we get a palindrome (566404665).

The spelling of 243004323 in words is "two hundred forty-three million, four thousand, three hundred twenty-three".