43130220143 has 4 divisors (see below), whose sum is σ = 43773954840. Its totient is φ = 42486485448.

The previous prime is 43130220139. The next prime is 43130220169. The reversal of 43130220143 is 34102203134.

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 43130220143 - 2² = 43130220139 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 (43130220443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321867248 + ... + 321867381.

It is an arithmetic number, because the mean of its divisors is an integer number (10943488710).

Almost surely, 2^43130220143 is an apocalyptic number.

43130220143 is a deficient number, since it is larger than the sum of its proper divisors (643734697).

43130220143 is an equidigital number, since it uses as much as digits as its factorization.

43130220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643734696.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43130220143 its reverse (34102203134), we get a palindrome (77232423277).

The spelling of 43130220143 in words is "forty-three billion, one hundred thirty million, two hundred twenty thousand, one hundred forty-three".