4321223424 has 576 divisors, whose sum is σ = 15656058880. Its totient is φ = 1149603840.

The previous prime is 4321223419. The next prime is 4321223429. The reversal of 4321223424 is 4243221234.

4321223424 is a `hidden beast` number, since 4 + 3 + 212 + 23 + 424 = 666.

It is an interprime number because it is at equal distance from previous prime (4321223419) and next prime (4321223429).

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4321223429) 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, 64495839 + ... + 64495905.

Almost surely, 2^4321223424 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 4321223424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7828029440).

4321223424 is an abundant number, since it is smaller than the sum of its proper divisors (11334835456).

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

4321223424 is a wasteful number, since it uses less digits than its factorization.

4321223424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 153 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 4321223424 is about 65736.0131434817. The cubic root of 4321223424 is about 1628.8043000595.

Adding to 4321223424 its reverse (4243221234), we get a palindrome (8564444658).

The spelling of 4321223424 in words is "four billion, three hundred twenty-one million, two hundred twenty-three thousand, four hundred twenty-four".