43203220043 has 4 divisors (see below), whose sum is σ = 43214710968. Its totient is φ = 43191729120.

The previous prime is 43203220019. The next prime is 43203220051. The reversal of 43203220043 is 34002230234.

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 43203220043 - 2¹⁰ = 43203219019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43203220343) 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, 5739821 + ... + 5747342.

It is an arithmetic number, because the mean of its divisors is an integer number (10803677742).

Almost surely, 2^43203220043 is an apocalyptic number.

43203220043 is a deficient number, since it is larger than the sum of its proper divisors (11490925).

43203220043 is a wasteful number, since it uses less digits than its factorization.

43203220043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11490924.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 43203220043 its reverse (34002230234), we get a palindrome (77205450277).

The spelling of 43203220043 in words is "forty-three billion, two hundred three million, two hundred twenty thousand, forty-three".