4523443320 has 256 divisors, whose sum is σ = 15111360000. Its totient is φ = 1074124800.

The previous prime is 4523443313. The next prime is 4523443333. The reversal of 4523443320 is 233443254.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21438015 + ... + 21438225.

It is an arithmetic number, because the mean of its divisors is an integer number (59028750).

Almost surely, 2^4523443320 is an apocalyptic number.

4523443320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4523443320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7555680000).

4523443320 is an abundant number, since it is smaller than the sum of its proper divisors (10587916680).

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

4523443320 is a wasteful number, since it uses less digits than its factorization.

4523443320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

The square root of 4523443320 is about 67256.5485287492. The cubic root of 4523443320 is about 1653.8256282369.

Adding to 4523443320 its reverse (233443254), we get a palindrome (4756886574).

The spelling of 4523443320 in words is "four billion, five hundred twenty-three million, four hundred forty-three thousand, three hundred twenty".