243103443 has 16 divisors (see below), whose sum is σ = 354506112. Its totient is φ = 146960000.

The previous prime is 243103387. The next prime is 243103459. The reversal of 243103443 is 344301342.

It is not a de Polignac number, because 243103443 - 2⁹ = 243102931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243103493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4048 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (22156632).

Almost surely, 2^243103443 is an apocalyptic number.

243103443 is a deficient number, since it is larger than the sum of its proper divisors (111402669).

243103443 is a wasteful number, since it uses less digits than its factorization.

243103443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18786.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 243103443 is about 15591.7748508629. The cubic root of 243103443 is about 624.1136817247.

Adding to 243103443 its reverse (344301342), we get a palindrome (587404785).

The spelling of 243103443 in words is "two hundred forty-three million, one hundred three thousand, four hundred forty-three".