43047023 has 4 divisors (see below), whose sum is σ = 43145520. Its totient is φ = 42948528.

The previous prime is 43047013. The next prime is 43047047. The reversal of 43047023 is 32074034.

It is a happy number.

43047023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43047023 - 2⁶ = 43046959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43047023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43047013) 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 3 ways as a sum of consecutive naturals, for example, 48590 + ... + 49467.

It is an arithmetic number, because the mean of its divisors is an integer number (10786380).

Almost surely, 2^43047023 is an apocalyptic number.

43047023 is a deficient number, since it is larger than the sum of its proper divisors (98497).

43047023 is an equidigital number, since it uses as much as digits as its factorization.

43047023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98496.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 43047023 is about 6561.0230147440. The cubic root of 43047023 is about 350.4674651646.

The spelling of 43047023 in words is "forty-three million, forty-seven thousand, twenty-three".