243104443 has 4 divisors (see below), whose sum is σ = 243145368. Its totient is φ = 243063520.

The previous prime is 243104431. The next prime is 243104453. The reversal of 243104443 is 344401342.

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 243104443 - 2¹³ = 243096251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243104453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9646 + ... + 24067.

It is an arithmetic number, because the mean of its divisors is an integer number (60786342).

Almost surely, 2^243104443 is an apocalyptic number.

243104443 is a deficient number, since it is larger than the sum of its proper divisors (40925).

243104443 is an equidigital number, since it uses as much as digits as its factorization.

243104443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40924.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 243104443 is about 15591.8069190200. The cubic root of 243104443 is about 624.1145374822.

Adding to 243104443 its reverse (344401342), we get a palindrome (587505785).

The spelling of 243104443 in words is "two hundred forty-three million, one hundred four thousand, four hundred forty-three".