243027103 has 4 divisors (see below), whose sum is σ = 265120488. Its totient is φ = 220933720.

The previous prime is 243027097. The next prime is 243027133. The reversal of 243027103 is 301720342.

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 243027103 - 2⁹ = 243026591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243027133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11046676 + ... + 11046697.

It is an arithmetic number, because the mean of its divisors is an integer number (66280122).

Almost surely, 2^243027103 is an apocalyptic number.

243027103 is a deficient number, since it is larger than the sum of its proper divisors (22093385).

243027103 is a wasteful number, since it uses less digits than its factorization.

243027103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22093384.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 243027103 is about 15589.3265730114. The cubic root of 243027103 is about 624.0483462637.

Adding to 243027103 its reverse (301720342), we get a palindrome (544747445).

The spelling of 243027103 in words is "two hundred forty-three million, twenty-seven thousand, one hundred three".