243241025203 has 16 divisors (see below), whose sum is σ = 269055151200. Its totient is φ = 218057114880.

The previous prime is 243241025117. The next prime is 243241025233. The reversal of 243241025203 is 302520142342.

It is a de Polignac number, because none of the positive numbers 2^k-243241025203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243241025233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32113 + ... + 698221.

It is an arithmetic number, because the mean of its divisors is an integer number (16815946950).

Almost surely, 2^243241025203 is an apocalyptic number.

243241025203 is a deficient number, since it is larger than the sum of its proper divisors (25814125997).

243241025203 is a wasteful number, since it uses less digits than its factorization.

243241025203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666582.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 243241025203 its reverse (302520142342), we get a palindrome (545761167545).

The spelling of 243241025203 in words is "two hundred forty-three billion, two hundred forty-one million, twenty-five thousand, two hundred three".