499923223 has 4 divisors (see below), whose sum is σ = 502435600. Its totient is φ = 497410848.

The previous prime is 499923217. The next prime is 499923241. The reversal of 499923223 is 322329994.

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

It is not a de Polignac number, because 499923223 - 2⁵ = 499923191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 499923223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499923293) 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, 1255890 + ... + 1256287.

It is an arithmetic number, because the mean of its divisors is an integer number (125608900).

Almost surely, 2^499923223 is an apocalyptic number.

499923223 is a deficient number, since it is larger than the sum of its proper divisors (2512377).

499923223 is a wasteful number, since it uses less digits than its factorization.

499923223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512376.

The product of its digits is 209952, while the sum is 43.

The square root of 499923223 is about 22358.9629231769. The cubic root of 499923223 is about 793.6598986077.

The spelling of 499923223 in words is "four hundred ninety-nine million, nine hundred twenty-three thousand, two hundred twenty-three".