43230540 has 48 divisors (see below), whose sum is σ = 121347072. Its totient is φ = 11499456.

The previous prime is 43230511. The next prime is 43230569. The reversal of 43230540 is 4503234.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43230511) and next prime (43230569).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35827 + ... + 37013.

It is an arithmetic number, because the mean of its divisors is an integer number (2528064).

Almost surely, 2^43230540 is an apocalyptic number.

It is an amenable number.

43230540 is an abundant number, since it is smaller than the sum of its proper divisors (78116532).

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

43230540 is a wasteful number, since it uses less digits than its factorization.

43230540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 43230540 is about 6574.9935361185. The cubic root of 43230540 is about 350.9647938325.

Adding to 43230540 its reverse (4503234), we get a palindrome (47733774).

The spelling of 43230540 in words is "forty-three million, two hundred thirty thousand, five hundred forty".