243434141111 has 4 divisors (see below), whose sum is σ = 278210446992. Its totient is φ = 208657835232.

The previous prime is 243434141101. The next prime is 243434141183. The reversal of 243434141111 is 111141434342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111141434342 = 2 ⋅55570717171.

It is not a de Polignac number, because 243434141111 - 2¹⁰ = 243434140087 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 (243434141101) 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 3 ways as a sum of consecutive naturals, for example, 17388152930 + ... + 17388152943.

It is an arithmetic number, because the mean of its divisors is an integer number (69552611748).

Almost surely, 2^243434141111 is an apocalyptic number.

243434141111 is a deficient number, since it is larger than the sum of its proper divisors (34776305881).

243434141111 is an equidigital number, since it uses as much as digits as its factorization.

243434141111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34776305880.

The product of its digits is 4608, while the sum is 29.

Adding to 243434141111 its reverse (111141434342), we get a palindrome (354575575453).

The spelling of 243434141111 in words is "two hundred forty-three billion, four hundred thirty-four million, one hundred forty-one thousand, one hundred eleven".