243324003 has 24 divisors (see below), whose sum is σ = 353775600. Its totient is φ = 148686720.

The previous prime is 243324001. The next prime is 243324017. The reversal of 243324003 is 300423342.

It is not a de Polignac number, because 243324003 - 2¹ = 243324001 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (243324001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73933 + ... + 77153.

It is an arithmetic number, because the mean of its divisors is an integer number (14740650).

Almost surely, 2^243324003 is an apocalyptic number.

243324003 is a deficient number, since it is larger than the sum of its proper divisors (110451597).

243324003 is a wasteful number, since it uses less digits than its factorization.

243324003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399 (or 3386 counting only the distinct ones).

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

The square root of 243324003 is about 15598.8462073321. The cubic root of 243324003 is about 624.3023708180.

Adding to 243324003 its reverse (300423342), we get a palindrome (543747345).

The spelling of 243324003 in words is "two hundred forty-three million, three hundred twenty-four thousand, three".