243113203103 has 8 divisors (see below), whose sum is σ = 248786702208. Its totient is φ = 237440599704.

The previous prime is 243113203097. The next prime is 243113203111. The reversal of 243113203103 is 301302311342.

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

It is a cyclic number.

It is not a de Polignac number, because 243113203103 - 2⁴ = 243113203087 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 (243113203133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341726 + ... + 776532.

It is an arithmetic number, because the mean of its divisors is an integer number (31098337776).

Almost surely, 2^243113203103 is an apocalyptic number.

243113203103 is a deficient number, since it is larger than the sum of its proper divisors (5673499105).

243113203103 is a wasteful number, since it uses less digits than its factorization.

243113203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447853.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 243113203103 its reverse (301302311342), we get a palindrome (544415514445).

The spelling of 243113203103 in words is "two hundred forty-three billion, one hundred thirteen million, two hundred three thousand, one hundred three".