547123 has 4 divisors (see below), whose sum is σ = 549928. Its totient is φ = 544320.

The previous prime is 547121. The next prime is 547133. The reversal of 547123 is 321745.

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 547123 - 2¹ = 547121 is a prime.

It is a super-3 number, since 3×547123³ = 491333267848649601, which contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 547094 and 547103.

It is not an unprimeable number, because it can be changed into a prime (547121) 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, 1086 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (137482).

2⁵⁴⁷¹²³ is an apocalyptic number.

547123 is a deficient number, since it is larger than the sum of its proper divisors (2805).

547123 is a wasteful number, since it uses less digits than its factorization.

547123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its digits is 840, while the sum is 22.

The square root of 547123 is about 739.6776324859. The cubic root of 547123 is about 81.7890174019.

Adding to 547123 its reverse (321745), we get a palindrome (868868).

The spelling of 547123 in words is "five hundred forty-seven thousand, one hundred twenty-three".