243156341103 has 16 divisors (see below), whose sum is σ = 355065325440. Its totient is φ = 147098489184.

The previous prime is 243156341089. The next prime is 243156341119. The reversal of 243156341103 is 301143651342.

It is not a de Polignac number, because 243156341103 - 2⁹ = 243156340591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243156341123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52834801 + ... + 52839402.

It is an arithmetic number, because the mean of its divisors is an integer number (22191582840).

Almost surely, 2^243156341103 is an apocalyptic number.

243156341103 is a deficient number, since it is larger than the sum of its proper divisors (111908984337).

243156341103 is a wasteful number, since it uses less digits than its factorization.

243156341103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105674278.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 243156341103 its reverse (301143651342), we get a palindrome (544299992445).

The spelling of 243156341103 in words is "two hundred forty-three billion, one hundred fifty-six million, three hundred forty-one thousand, one hundred three".