43023012 has 12 divisors (see below), whose sum is σ = 100387056. Its totient is φ = 14341000.

The previous prime is 43022999. The next prime is 43023017. The reversal of 43023012 is 21032034.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 43022982 and 43023000.

It is not an unprimeable number, because it can be changed into a prime (43023017) 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 3 ways as a sum of consecutive naturals, for example, 1792614 + ... + 1792637.

It is an arithmetic number, because the mean of its divisors is an integer number (8365588).

Almost surely, 2^43023012 is an apocalyptic number.

It is an amenable number.

43023012 is an abundant number, since it is smaller than the sum of its proper divisors (57364044).

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

43023012 is a wasteful number, since it uses less digits than its factorization.

43023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585258 (or 3585256 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 43023012 is about 6559.1929381594. The cubic root of 43023012 is about 350.4022911695.

Adding to 43023012 its reverse (21032034), we get a palindrome (64055046).

The spelling of 43023012 in words is "forty-three million, twenty-three thousand, twelve".