243332140203 has 8 divisors (see below), whose sum is σ = 360492059600. Its totient is φ = 162221426784.

The previous prime is 243332140159. The next prime is 243332140229. The reversal of 243332140203 is 302041233342.

243332140203 is a `hidden beast` number, since 2 + 433 + 3 + 21 + 4 + 0 + 203 = 666.

It is not a de Polignac number, because 243332140203 - 2²¹ = 243330043051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 9012301489 = 243332140203 / (2 + 4 + 3 + 3 + 3 + 2 + 1 + 4 + 0 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243332140283) 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, 4506150718 + ... + 4506150771.

It is an arithmetic number, because the mean of its divisors is an integer number (45061507450).

Almost surely, 2^243332140203 is an apocalyptic number.

243332140203 is a deficient number, since it is larger than the sum of its proper divisors (117159919397).

243332140203 is an equidigital number, since it uses as much as digits as its factorization.

243332140203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9012301498 (or 9012301492 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 243332140203 its reverse (302041233342), we get a palindrome (545373373545).

The spelling of 243332140203 in words is "two hundred forty-three billion, three hundred thirty-two million, one hundred forty thousand, two hundred three".