143013001243 has 4 divisors (see below), whose sum is σ = 163443430000. Its totient is φ = 122582572488.

The previous prime is 143013001223. The next prime is 143013001297. The reversal of 143013001243 is 342100310341.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143013001243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143013001223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10215214368 + ... + 10215214381.

It is an arithmetic number, because the mean of its divisors is an integer number (40860857500).

Almost surely, 2^143013001243 is an apocalyptic number.

143013001243 is a deficient number, since it is larger than the sum of its proper divisors (20430428757).

143013001243 is an equidigital number, since it uses as much as digits as its factorization.

143013001243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20430428756.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 143013001243 its reverse (342100310341), we get a palindrome (485113311584).

The spelling of 143013001243 in words is "one hundred forty-three billion, thirteen million, one thousand, two hundred forty-three".