243041434 has 4 divisors (see below), whose sum is σ = 364562154. Its totient is φ = 121520716.

The previous prime is 243041387. The next prime is 243041441. The reversal of 243041434 is 434140342.

243041434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434140342 = 2 ⋅217070171.

It can be written as a sum of positive squares in only one way, i.e., 131675625 + 111365809 = 11475^2 + 10553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243041399 and 243041408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60760357 + ... + 60760360.

Almost surely, 2^243041434 is an apocalyptic number.

243041434 is a deficient number, since it is larger than the sum of its proper divisors (121520720).

243041434 is a wasteful number, since it uses less digits than its factorization.

243041434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121520719.

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

The square root of 243041434 is about 15589.7862076425. The cubic root of 243041434 is about 624.0606124691.

Adding to 243041434 its reverse (434140342), we get a palindrome (677181776).

The spelling of 243041434 in words is "two hundred forty-three million, forty-one thousand, four hundred thirty-four".