500023312 has 80 divisors (see below), whose sum is σ = 1078002432. Its totient is φ = 223477760.

The previous prime is 500023301. The next prime is 500023313. The reversal of 500023312 is 213320005.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (500023313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607637 + ... + 1607947.

Almost surely, 2^500023312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500023312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539001216).

500023312 is an abundant number, since it is smaller than the sum of its proper divisors (577979120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500023312 is a wasteful number, since it uses less digits than its factorization.

500023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 500023312 is about 22361.2010410890. The cubic root of 500023312 is about 793.7128609568.

Adding to 500023312 its reverse (213320005), we get a palindrome (713343317).

The spelling of 500023312 in words is "five hundred million, twenty-three thousand, three hundred twelve".