243143033313433 has 4 divisors (see below), whose sum is σ = 265246945432848. Its totient is φ = 221039121194020.

The previous prime is 243143033313407. The next prime is 243143033313457. The reversal of 243143033313433 is 334313330341342.

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 243143033313433 - 2¹³ = 243143033305241 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243143033343433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11051956059691 + ... + 11051956059712.

It is an arithmetic number, because the mean of its divisors is an integer number (66311736358212).

Almost surely, 2^{243143033313433} is an apocalyptic number.

It is an amenable number.

243143033313433 is a deficient number, since it is larger than the sum of its proper divisors (22103912119415).

243143033313433 is a wasteful number, since it uses less digits than its factorization.

243143033313433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22103912119414.

The product of its (nonzero) digits is 839808, while the sum is 40.

Adding to 243143033313433 its reverse (334313330341342), we get a palindrome (577456363654775).

The spelling of 243143033313433 in words is "two hundred forty-three trillion, one hundred forty-three billion, thirty-three million, three hundred thirteen thousand, four hundred thirty-three".