243113433 has 16 divisors (see below), whose sum is σ = 331216896. Its totient is φ = 158578560.

The previous prime is 243113419. The next prime is 243113441. The reversal of 243113433 is 334311342.

It is not a de Polignac number, because 243113433 - 2¹⁰ = 243112409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243113483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23443 + ... + 32183.

It is an arithmetic number, because the mean of its divisors is an integer number (20701056).

Almost surely, 2^243113433 is an apocalyptic number.

It is an amenable number.

243113433 is a deficient number, since it is larger than the sum of its proper divisors (88103463).

243113433 is a wasteful number, since it uses less digits than its factorization.

243113433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8944.

The product of its digits is 2592, while the sum is 24.

The square root of 243113433 is about 15592.0952087909. The cubic root of 243113433 is about 624.1222306373.

Adding to 243113433 its reverse (334311342), we get a palindrome (577424775).

It can be divided in two parts, 2431 and 13433, that multiplied together give a palindrome (32655623).

The spelling of 243113433 in words is "two hundred forty-three million, one hundred thirteen thousand, four hundred thirty-three".