494123 has 4 divisors (see below), whose sum is σ = 564720. Its totient is φ = 423528.

The previous prime is 494107. The next prime is 494129. The reversal of 494123 is 321494.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 494123 - 2⁴ = 494107 is a prime.

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

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494123.

It is not an unprimeable number, because it can be changed into a prime (494129) 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, 35288 + ... + 35301.

It is an arithmetic number, because the mean of its divisors is an integer number (141180).

2⁴⁹⁴¹²³ is an apocalyptic number.

494123 is a deficient number, since it is larger than the sum of its proper divisors (70597).

494123 is an equidigital number, since it uses as much as digits as its factorization.

494123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70596.

The product of its digits is 864, while the sum is 23.

The square root of 494123 is about 702.9388309092. The cubic root of 494123 is about 79.0578543256.

The spelling of 494123 in words is "four hundred ninety-four thousand, one hundred twenty-three".