223808312 has 64 divisors (see below), whose sum is σ = 534340800. Its totient is φ = 85478400.

The previous prime is 223808311. The next prime is 223808317. The reversal of 223808312 is 213808322.

223808312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223808311) 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, 15812 + ... + 26412.

It is an arithmetic number, because the mean of its divisors is an integer number (8349075).

Almost surely, 2^223808312 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 223808312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267170400).

223808312 is an abundant number, since it is smaller than the sum of its proper divisors (310532488).

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

223808312 is a wasteful number, since it uses less digits than its factorization.

223808312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10656 (or 10652 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 223808312 is about 14960.2243298689. The cubic root of 223808312 is about 607.1445075348.

The spelling of 223808312 in words is "two hundred twenty-three million, eight hundred eight thousand, three hundred twelve".