243143103303 has 48 divisors (see below), whose sum is σ = 381767592960. Its totient is φ = 148551667200.

The previous prime is 243143103283. The next prime is 243143103311. The reversal of 243143103303 is 303301341342.

243143103303 is a `hidden beast` number, since 2 + 4 + 3 + 14 + 310 + 330 + 3 = 666.

It is not a de Polignac number, because 243143103303 - 2¹² = 243143099207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243143103353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16112800 + ... + 16127882.

It is an arithmetic number, because the mean of its divisors is an integer number (7953491520).

Almost surely, 2^243143103303 is an apocalyptic number.

243143103303 is a deficient number, since it is larger than the sum of its proper divisors (138624489657).

243143103303 is a wasteful number, since it uses less digits than its factorization.

243143103303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18180 (or 18177 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 243143103303 its reverse (303301341342), we get a palindrome (546444444645).

The spelling of 243143103303 in words is "two hundred forty-three billion, one hundred forty-three million, one hundred three thousand, three hundred three".