43230320 has 160 divisors (see below), whose sum is σ = 128563200. Its totient is φ = 13160448.

The previous prime is 43230217. The next prime is 43230331. The reversal of 43230320 is 2303234.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180761 + ... + 180999.

It is an arithmetic number, because the mean of its divisors is an integer number (803520).

Almost surely, 2^43230320 is an apocalyptic number.

43230320 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 43230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64281600).

43230320 is an abundant number, since it is smaller than the sum of its proper divisors (85332880).

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

43230320 is a wasteful number, since it uses less digits than its factorization.

43230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 43230320 is about 6574.9768060427. The cubic root of 43230320 is about 350.9641984788.

Adding to 43230320 its reverse (2303234), we get a palindrome (45533554).

The spelling of 43230320 in words is "forty-three million, two hundred thirty thousand, three hundred twenty".