43230990 has 64 divisors (see below), whose sum is σ = 113840640. Its totient is φ = 10419840.

The previous prime is 43230989. The next prime is 43230991. The reversal of 43230990 is 9903234.

43230990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43230989) and next prime (43230991).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43230991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88527 + ... + 89013.

It is an arithmetic number, because the mean of its divisors is an integer number (1778760).

Almost surely, 2^43230990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43230990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56920320).

43230990 is an abundant number, since it is smaller than the sum of its proper divisors (70609650).

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

43230990 is a wasteful number, since it uses less digits than its factorization.

43230990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 43230990 is about 6575.0277565954. The cubic root of 43230990 is about 350.9660115951.

The spelling of 43230990 in words is "forty-three million, two hundred thirty thousand, nine hundred ninety".