243434234113 has 4 divisors (see below), whose sum is σ = 278210553280. Its totient is φ = 208657914948.

The previous prime is 243434234101. The next prime is 243434234123. The reversal of 243434234113 is 311432434342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 243434234113 - 2⁵ = 243434234081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243434234123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17388159573 + ... + 17388159586.

It is an arithmetic number, because the mean of its divisors is an integer number (69552638320).

Almost surely, 2^243434234113 is an apocalyptic number.

It is an amenable number.

243434234113 is a deficient number, since it is larger than the sum of its proper divisors (34776319167).

243434234113 is an equidigital number, since it uses as much as digits as its factorization.

243434234113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34776319166.

The product of its digits is 82944, while the sum is 34.

Adding to 243434234113 its reverse (311432434342), we get a palindrome (554866668455).

The spelling of 243434234113 in words is "two hundred forty-three billion, four hundred thirty-four million, two hundred thirty-four thousand, one hundred thirteen".