543349123 has 4 divisors (see below), whose sum is σ = 550227040. Its totient is φ = 536471208.

The previous prime is 543349111. The next prime is 543349127. The reversal of 543349123 is 321943345.

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 543349123 - 2⁵ = 543349091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543349127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3438840 + ... + 3438997.

It is an arithmetic number, because the mean of its divisors is an integer number (137556760).

Almost surely, 2^543349123 is an apocalyptic number.

543349123 is a deficient number, since it is larger than the sum of its proper divisors (6877917).

543349123 is an equidigital number, since it uses as much as digits as its factorization.

543349123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877916.

The product of its digits is 38880, while the sum is 34.

The square root of 543349123 is about 23309.8503427199. The cubic root of 543349123 is about 816.0053199344.

The spelling of 543349123 in words is "five hundred forty-three million, three hundred forty-nine thousand, one hundred twenty-three".