673123 has 6 divisors (see below), whose sum is σ = 740012. Its totient is φ = 611820.

The previous prime is 673121. The next prime is 673129. The reversal of 673123 is 321376.

It is not a de Polignac number, because 673123 - 2¹ = 673121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673094 and 673103.

It is not an unprimeable number, because it can be changed into a prime (673121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2661 + ... + 2902.

2⁶⁷³¹²³ is an apocalyptic number.

673123 is a deficient number, since it is larger than the sum of its proper divisors (66889).

673123 is a wasteful number, since it uses less digits than its factorization.

673123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585 (or 5574 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 673123 is about 820.4407352149. The cubic root of 673123 is about 87.6391473105.

Adding to 673123 its reverse (321376), we get a palindrome (994499).

The spelling of 673123 in words is "six hundred seventy-three thousand, one hundred twenty-three".