43230432 has 96 divisors (see below), whose sum is σ = 135378432. Its totient is φ = 11810304.

The previous prime is 43230431. The next prime is 43230433. The reversal of 43230432 is 23403234.

It is an interprime number because it is at equal distance from previous prime (43230431) and next prime (43230433).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 43230399 and 43230408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43230431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14058 + ... + 16854.

It is an arithmetic number, because the mean of its divisors is an integer number (1410192).

Almost surely, 2^43230432 is an apocalyptic number.

43230432 is a gapful number since it is divisible by the number (42) 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 43230432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67689216).

43230432 is an abundant number, since it is smaller than the sum of its proper divisors (92148000).

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

43230432 is a wasteful number, since it uses less digits than its factorization.

43230432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 43230432 is about 6574.9853231775. The cubic root of 43230432 is about 350.9645015682.

Adding to 43230432 its reverse (23403234), we get a palindrome (66633666).

The spelling of 43230432 in words is "forty-three million, two hundred thirty thousand, four hundred thirty-two".