243443122 has 8 divisors (see below), whose sum is σ = 393254316. Its totient is φ = 112358352.

The previous prime is 243443113. The next prime is 243443141. The reversal of 243443122 is 221344342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 242705241 + 737881 = 15579^2 + 859^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4681573 + ... + 4681624.

Almost surely, 2^243443122 is an apocalyptic number.

243443122 is a deficient number, since it is larger than the sum of its proper divisors (149811194).

243443122 is a wasteful number, since it uses less digits than its factorization.

243443122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9363212.

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

The square root of 243443122 is about 15602.6639392124. The cubic root of 243443122 is about 624.4042297129.

Adding to 243443122 its reverse (221344342), we get a palindrome (464787464).

The spelling of 243443122 in words is "two hundred forty-three million, four hundred forty-three thousand, one hundred twenty-two".