243242515433 has 8 divisors (see below), whose sum is σ = 243785204928. Its totient is φ = 242700427984.

The previous prime is 243242515421. The next prime is 243242515447. The reversal of 243242515433 is 334515242342.

243242515433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243242515433 - 2²⁸ = 242974079977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243242515133) 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 7 ways as a sum of consecutive naturals, for example, 663335 + ... + 962547.

It is an arithmetic number, because the mean of its divisors is an integer number (30473150616).

Almost surely, 2^243242515433 is an apocalyptic number.

It is an amenable number.

243242515433 is a deficient number, since it is larger than the sum of its proper divisors (542689495).

243242515433 is an equidigital number, since it uses as much as digits as its factorization.

243242515433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301023.

The product of its digits is 345600, while the sum is 38.

Adding to 243242515433 its reverse (334515242342), we get a palindrome (577757757775).

The spelling of 243242515433 in words is "two hundred forty-three billion, two hundred forty-two million, five hundred fifteen thousand, four hundred thirty-three".