543487123 has 2 divisors, whose sum is σ = 543487124. Its totient is φ = 543487122.

The previous prime is 543487031. The next prime is 543487163. The reversal of 543487123 is 321784345.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543487123 - 2¹³ = 543478931 is a prime.

It is not a weakly prime, because it can be changed into another prime (543487163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271743561 + 271743562.

It is an arithmetic number, because the mean of its divisors is an integer number (271743562).

Almost surely, 2^543487123 is an apocalyptic number.

543487123 is a deficient number, since it is larger than the sum of its proper divisors (1).

543487123 is an equidigital number, since it uses as much as digits as its factorization.

543487123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 543487123 is about 23312.8102767556. The cubic root of 543487123 is about 816.0743971920.

The spelling of 543487123 in words is "five hundred forty-three million, four hundred eighty-seven thousand, one hundred twenty-three".