543320043 has 16 divisors (see below), whose sum is σ = 854624256. Its totient is φ = 300453120.

The previous prime is 543320039. The next prime is 543320081. The reversal of 543320043 is 340023345.

543320043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 543320043 - 2² = 543320039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 543319995 and 543320022.

It is not an unprimeable number, because it can be changed into a prime (543320023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416646 + ... + 417947.

It is an arithmetic number, because the mean of its divisors is an integer number (53414016).

Almost surely, 2^543320043 is an apocalyptic number.

543320043 is a deficient number, since it is larger than the sum of its proper divisors (311304213).

543320043 is a wasteful number, since it uses less digits than its factorization.

543320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834634.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 543320043 is about 23309.2265637451. The cubic root of 543320043 is about 815.9907621623.

Adding to 543320043 its reverse (340023345), we get a palindrome (883343388).

The spelling of 543320043 in words is "five hundred forty-three million, three hundred twenty thousand, forty-three".