423842224 has 40 divisors (see below), whose sum is σ = 890064560. Its totient is φ = 194358528.

The previous prime is 423842207. The next prime is 423842227. The reversal of 423842224 is 422248324.

It is not an unprimeable number, because it can be changed into a prime (423842227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26167 + ... + 39145.

It is an arithmetic number, because the mean of its divisors is an integer number (22251614).

Almost surely, 2^423842224 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 423842224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445032280).

423842224 is an abundant number, since it is smaller than the sum of its proper divisors (466222336).

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

423842224 is a wasteful number, since it uses less digits than its factorization.

423842224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13157 (or 13151 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

The square root of 423842224 is about 20587.4287855477. The cubic root of 423842224 is about 751.1639550474.

The spelling of 423842224 in words is "four hundred twenty-three million, eight hundred forty-two thousand, two hundred twenty-four".