243324326 has 16 divisors (see below), whose sum is σ = 431511840. Its totient is φ = 100685760.

The previous prime is 243324307. The next prime is 243324329. The reversal of 243324326 is 623423342.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243324329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299255 + ... + 300066.

It is an arithmetic number, because the mean of its divisors is an integer number (26969490).

Almost surely, 2^243324326 is an apocalyptic number.

243324326 is a deficient number, since it is larger than the sum of its proper divisors (188187514).

243324326 is a wasteful number, since it uses less digits than its factorization.

243324326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599359.

The product of its digits is 20736, while the sum is 29.

The square root of 243324326 is about 15598.8565606585. The cubic root of 243324326 is about 624.3026470609.

Adding to 243324326 its reverse (623423342), we get a palindrome (866747668).

The spelling of 243324326 in words is "two hundred forty-three million, three hundred twenty-four thousand, three hundred twenty-six".