143103233440243 has 4 divisors (see below), whose sum is σ = 143635215720960. Its totient is φ = 142571251159528.

The previous prime is 143103233440231. The next prime is 143103233440249. The reversal of 143103233440243 is 342044332301341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143103233440243 - 2²⁹ = 143102696569331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143103233440249) 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 3 ways as a sum of consecutive naturals, for example, 265991139955 + ... + 265991140492.

It is an arithmetic number, because the mean of its divisors is an integer number (35908803930240).

Almost surely, 2^{143103233440243} is an apocalyptic number.

143103233440243 is a deficient number, since it is larger than the sum of its proper divisors (531982280717).

143103233440243 is an equidigital number, since it uses as much as digits as its factorization.

143103233440243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531982280716.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 143103233440243 its reverse (342044332301341), we get a palindrome (485147565741584).

The spelling of 143103233440243 in words is "one hundred forty-three trillion, one hundred three billion, two hundred thirty-three million, four hundred forty thousand, two hundred forty-three".