243121110234 has 16 divisors (see below), whose sum is σ = 486518672640. Its totient is φ = 80994294720.

The previous prime is 243121110181. The next prime is 243121110259. The reversal of 243121110234 is 432011121342.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11507407 + ... + 11528514.

It is an arithmetic number, because the mean of its divisors is an integer number (30407417040).

Almost surely, 2^243121110234 is an apocalyptic number.

243121110234 is an abundant number, since it is smaller than the sum of its proper divisors (243397562406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243121110234 is a wasteful number, since it uses less digits than its factorization.

243121110234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23037685.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 243121110234 its reverse (432011121342), we get a palindrome (675132231576).

The spelling of 243121110234 in words is "two hundred forty-three billion, one hundred twenty-one million, one hundred ten thousand, two hundred thirty-four".