543494123 has 2 divisors, whose sum is σ = 543494124. Its totient is φ = 543494122.

The previous prime is 543494113. The next prime is 543494153. The reversal of 543494123 is 321494345.

543494123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 543494123 - 2⁶ = 543494059 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (543494113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271747061 + 271747062.

It is an arithmetic number, because the mean of its divisors is an integer number (271747062).

Almost surely, 2^543494123 is an apocalyptic number.

543494123 is a deficient number, since it is larger than the sum of its proper divisors (1).

543494123 is an equidigital number, since it uses as much as digits as its factorization.

543494123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 543494123 is about 23312.9604083222. The cubic root of 543494123 is about 816.0779007992.

The spelling of 543494123 in words is "five hundred forty-three million, four hundred ninety-four thousand, one hundred twenty-three".