499423 has 2 divisors, whose sum is σ = 499424. Its totient is φ = 499422.

The previous prime is 499403. The next prime is 499439. The reversal of 499423 is 324994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499423 - 2⁵ = 499391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249711 + 249712.

It is an arithmetic number, because the mean of its divisors is an integer number (249712).

2⁴⁹⁹⁴²³ is an apocalyptic number.

499423 is a deficient number, since it is larger than the sum of its proper divisors (1).

499423 is an equidigital number, since it uses as much as digits as its factorization.

499423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 499423 is about 706.6986627977. The cubic root of 499423 is about 79.3395098330.

The spelling of 499423 in words is "four hundred ninety-nine thousand, four hundred twenty-three".