243433203243 has 8 divisors (see below), whose sum is σ = 324876208128. Its totient is φ = 162139500264.

The previous prime is 243433203229. The next prime is 243433203253. The reversal of 243433203243 is 342302334342.

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

It is not a de Polignac number, because 243433203243 - 2⁹ = 243433202731 is a prime.

It is a super-2 number, since 2×243433203243² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243433203253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37321671 + ... + 37328192.

It is an arithmetic number, because the mean of its divisors is an integer number (40609526016).

Almost surely, 2^243433203243 is an apocalyptic number.

243433203243 is a deficient number, since it is larger than the sum of its proper divisors (81443004885).

243433203243 is a wasteful number, since it uses less digits than its factorization.

243433203243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74650953.

The product of its (nonzero) digits is 124416, while the sum is 33.

Adding to 243433203243 its reverse (342302334342), we get a palindrome (585735537585).

The spelling of 243433203243 in words is "two hundred forty-three billion, four hundred thirty-three million, two hundred three thousand, two hundred forty-three".