493023 has 4 divisors (see below), whose sum is σ = 657368. Its totient is φ = 328680.

The previous prime is 493021. The next prime is 493027. The reversal of 493023 is 320394.

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

It is not a de Polignac number, because 493023 - 2¹ = 493021 is a prime.

It is a D-number.

It is a Duffinian number.

493023 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 493023.

It is not an unprimeable number, because it can be changed into a prime (493021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82168 + ... + 82173.

It is an arithmetic number, because the mean of its divisors is an integer number (164342).

2⁴⁹³⁰²³ is an apocalyptic number.

493023 is a deficient number, since it is larger than the sum of its proper divisors (164345).

493023 is a wasteful number, since it uses less digits than its factorization.

493023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164344.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 493023 is about 702.1559655803. The cubic root of 493023 is about 78.9991454269. Note that the first 3 decimals are identical.

The spelling of 493023 in words is "four hundred ninety-three thousand, twenty-three".