493123 has 2 divisors, whose sum is σ = 493124. Its totient is φ = 493122.

The previous prime is 493121. The next prime is 493127. The reversal of 493123 is 321394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493123 - 2¹ = 493121 is a prime.

Together with 493121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 493094 and 493103.

It is not a weakly prime, because it can be changed into another prime (493121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246561 + 246562.

It is an arithmetic number, because the mean of its divisors is an integer number (246562).

2⁴⁹³¹²³ is an apocalyptic number.

493123 is a deficient number, since it is larger than the sum of its proper divisors (1).

493123 is an equidigital number, since it uses as much as digits as its factorization.

493123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 493123 is about 702.2271712203. The cubic root of 493123 is about 79.0044862057.

It can be divided in two parts, 493 and 123, that added together give a palindrome (616).

The spelling of 493123 in words is "four hundred ninety-three thousand, one hundred twenty-three".