674123 has 2 divisors, whose sum is σ = 674124. Its totient is φ = 674122.

The previous prime is 674117. The next prime is 674131. The reversal of 674123 is 321476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674123 - 2⁶ = 674059 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (674173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337061 + 337062.

It is an arithmetic number, because the mean of its divisors is an integer number (337062).

2⁶⁷⁴¹²³ is an apocalyptic number.

674123 is a deficient number, since it is larger than the sum of its proper divisors (1).

674123 is an equidigital number, since it uses as much as digits as its factorization.

674123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 674123 is about 821.0499375799. The cubic root of 674123 is about 87.6825251101.

Adding to 674123 its reverse (321476), we get a palindrome (995599).

It can be divided in two parts, 674 and 123, that added together give a palindrome (797).

The spelling of 674123 in words is "six hundred seventy-four thousand, one hundred twenty-three".