499972304223 has 80 divisors (see below), whose sum is σ = 885152519680. Its totient is φ = 275276885184.

The previous prime is 499972304191. The next prime is 499972304243. The reversal of 499972304223 is 322403279994.

499972304223 is a `hidden beast` number, since 49 + 9 + 9 + 72 + 304 + 223 = 666.

It is not a de Polignac number, because 499972304223 - 2⁵ = 499972304191 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 499972304223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499972304243) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2045148 + ... + 2276526.

It is an arithmetic number, because the mean of its divisors is an integer number (11064406496).

Almost surely, 2^499972304223 is an apocalyptic number.

499972304223 is a deficient number, since it is larger than the sum of its proper divisors (385180215457).

499972304223 is a wasteful number, since it uses less digits than its factorization.

499972304223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231538 (or 231529 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 499972304223 in words is "four hundred ninety-nine billion, nine hundred seventy-two million, three hundred four thousand, two hundred twenty-three".