243224003 has 8 divisors (see below), whose sum is σ = 269296320. Its totient is φ = 217811880.

The previous prime is 243223993. The next prime is 243224027. The reversal of 243224003 is 300422342.

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

It is not a de Polignac number, because 243224003 - 2¹⁶ = 243158467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243224603) 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, 164273 + ... + 165746.

It is an arithmetic number, because the mean of its divisors is an integer number (33662040).

Almost surely, 2^243224003 is an apocalyptic number.

243224003 is a deficient number, since it is larger than the sum of its proper divisors (26072317).

243224003 is a wasteful number, since it uses less digits than its factorization.

243224003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330097.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 243224003 is about 15595.6405126561. The cubic root of 243224003 is about 624.2168349472.

Adding to 243224003 its reverse (300422342), we get a palindrome (543646345).

The spelling of 243224003 in words is "two hundred forty-three million, two hundred twenty-four thousand, three".