243343441 has 8 divisors (see below), whose sum is σ = 268095168. Its totient is φ = 219030000.

The previous prime is 243343439. The next prime is 243343447. The reversal of 243343441 is 144343342.

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 243343441 - 2¹ = 243343439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243343447) 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, 108405 + ... + 110626.

It is an arithmetic number, because the mean of its divisors is an integer number (33511896).

Almost surely, 2^243343441 is an apocalyptic number.

It is an amenable number.

243343441 is a deficient number, since it is larger than the sum of its proper divisors (24751727).

243343441 is a wasteful number, since it uses less digits than its factorization.

243343441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219143.

The product of its digits is 13824, while the sum is 28.

The square root of 243343441 is about 15599.4692537919. The cubic root of 243343441 is about 624.3189945601.

Adding to 243343441 its reverse (144343342), we get a palindrome (387686783).

Subtracting from 243343441 its reverse (144343342), we obtain a palindrome (99000099).

The spelling of 243343441 in words is "two hundred forty-three million, three hundred forty-three thousand, four hundred forty-one".