543123045 has 12 divisors (see below), whose sum is σ = 941413356. Its totient is φ = 289665600.

The previous prime is 543123043. The next prime is 543123047. The reversal of 543123045 is 540321345.

543123045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (543123043) and next prime (543123047).

It can be written as a sum of positive squares in 2 ways, for example, as 380484036 + 162639009 = 19506^2 + 12753^2 .

It is not a de Polignac number, because 543123045 - 2¹ = 543123043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543123043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6034656 + ... + 6034745.

It is an arithmetic number, because the mean of its divisors is an integer number (78451113).

Almost surely, 2^543123045 is an apocalyptic number.

It is an amenable number.

543123045 is a deficient number, since it is larger than the sum of its proper divisors (398290311).

543123045 is a wasteful number, since it uses less digits than its factorization.

543123045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12069412 (or 12069409 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 543123045 is about 23305.0004290925. Note that the first 3 decimals coincide. The cubic root of 543123045 is about 815.8921290870.

The spelling of 543123045 in words is "five hundred forty-three million, one hundred twenty-three thousand, forty-five".