243113435 has 4 divisors (see below), whose sum is σ = 291736128. Its totient is φ = 194490744.

The previous prime is 243113419. The next prime is 243113441. The reversal of 243113435 is 534311342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243113435 - 2⁴ = 243113419 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24311339 + ... + 24311348.

It is an arithmetic number, because the mean of its divisors is an integer number (72934032).

Almost surely, 2^243113435 is an apocalyptic number.

243113435 is a deficient number, since it is larger than the sum of its proper divisors (48622693).

243113435 is an equidigital number, since it uses as much as digits as its factorization.

243113435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48622692.

The product of its digits is 4320, while the sum is 26.

The square root of 243113435 is about 15592.0952729260. The cubic root of 243113435 is about 624.1222323488.

Adding to 243113435 its reverse (534311342), we get a palindrome (777424777).

The spelling of 243113435 in words is "two hundred forty-three million, one hundred thirteen thousand, four hundred thirty-five".