243433445103 has 6 divisors (see below), whose sum is σ = 351626087384. Its totient is φ = 162288963396.

The previous prime is 243433445069. The next prime is 243433445107. The reversal of 243433445103 is 301544334342.

It is a happy number.

It is not a de Polignac number, because 243433445103 - 2¹⁷ = 243433314031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243433445107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13524080275 + ... + 13524080292.

Almost surely, 2^243433445103 is an apocalyptic number.

243433445103 is a deficient number, since it is larger than the sum of its proper divisors (108192642281).

243433445103 is a wasteful number, since it uses less digits than its factorization.

243433445103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27048160573 (or 27048160570 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 243433445103 its reverse (301544334342), we get a palindrome (544977779445).

The spelling of 243433445103 in words is "two hundred forty-three billion, four hundred thirty-three million, four hundred forty-five thousand, one hundred three".