243434041 has 4 divisors (see below), whose sum is σ = 251286784. Its totient is φ = 235581300.

The previous prime is 243434039. The next prime is 243434077. The reversal of 243434041 is 140434342.

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 a cyclic number.

It is not a de Polignac number, because 243434041 - 2¹ = 243434039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243433997 and 243434015.

It is not an unprimeable number, because it can be changed into a prime (243434941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3926325 + ... + 3926386.

It is an arithmetic number, because the mean of its divisors is an integer number (62821696).

Almost surely, 2^243434041 is an apocalyptic number.

It is an amenable number.

243434041 is a deficient number, since it is larger than the sum of its proper divisors (7852743).

243434041 is an equidigital number, since it uses as much as digits as its factorization.

243434041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852742.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 243434041 is about 15602.3729285003. The cubic root of 243434041 is about 624.3964657018.

Adding to 243434041 its reverse (140434342), we get a palindrome (383868383).

The spelling of 243434041 in words is "two hundred forty-three million, four hundred thirty-four thousand, forty-one".