4223943828 has 192 divisors, whose sum is σ = 12827243520. Its totient is φ = 1189914624.

The previous prime is 4223943821. The next prime is 4223943833. The reversal of 4223943828 is 8283493224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223943821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 880725 + ... + 885507.

It is an arithmetic number, because the mean of its divisors is an integer number (66808560).

Almost surely, 2^4223943828 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 4223943828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6413621760).

4223943828 is an abundant number, since it is smaller than the sum of its proper divisors (8603299692).

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

4223943828 is a wasteful number, since it uses less digits than its factorization.

4223943828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863 (or 4855 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 4223943828 is about 64991.8750921990. The cubic root of 4223943828 is about 1616.4888426699.

The spelling of 4223943828 in words is "four billion, two hundred twenty-three million, nine hundred forty-three thousand, eight hundred twenty-eight".