43402163 has 4 divisors (see below), whose sum is σ = 49602480. Its totient is φ = 37201848.

The previous prime is 43402159. The next prime is 43402181. The reversal of 43402163 is 36120434.

It is a happy number.

43402163 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 43402163 - 2² = 43402159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43402133) 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, 3100148 + ... + 3100161.

It is an arithmetic number, because the mean of its divisors is an integer number (12400620).

Almost surely, 2^43402163 is an apocalyptic number.

43402163 is a deficient number, since it is larger than the sum of its proper divisors (6200317).

43402163 is an equidigital number, since it uses as much as digits as its factorization.

43402163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200316.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 43402163 is about 6588.0318001661. The cubic root of 43402163 is about 351.4286179255.

Adding to 43402163 its reverse (36120434), we get a palindrome (79522597).

The spelling of 43402163 in words is "forty-three million, four hundred two thousand, one hundred sixty-three".