243043323 has 8 divisors (see below), whose sum is σ = 338147328. Its totient is φ = 154984104.

The previous prime is 243043313. The next prime is 243043327. The reversal of 243043323 is 323340342.

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

It is not a de Polignac number, because 243043323 - 2⁶ = 243043259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243043293 and 243043302.

It is not an unprimeable number, because it can be changed into a prime (243043327) 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, 1761115 + ... + 1761252.

It is an arithmetic number, because the mean of its divisors is an integer number (42268416).

Almost surely, 2^243043323 is an apocalyptic number.

243043323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

243043323 is a deficient number, since it is larger than the sum of its proper divisors (95104005).

243043323 is a wasteful number, since it uses less digits than its factorization.

243043323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522393.

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 243043323 is about 15589.8467920631. The cubic root of 243043323 is about 624.0622292681.

Adding to 243043323 its reverse (323340342), we get a palindrome (566383665).

It can be divided in two parts, 2430 and 43323, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 243043323 in words is "two hundred forty-three million, forty-three thousand, three hundred twenty-three".