43102043 has 4 divisors (see below), whose sum is σ = 43153080. Its totient is φ = 43051008.

The previous prime is 43102027. The next prime is 43102049. The reversal of 43102043 is 34020134.

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 43102043 - 2⁴ = 43102027 is a prime.

It is a super-2 number, since 2×43102043² = 3715572221547698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43102049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24230 + ... + 25947.

It is an arithmetic number, because the mean of its divisors is an integer number (10788270).

Almost surely, 2^43102043 is an apocalyptic number.

43102043 is a deficient number, since it is larger than the sum of its proper divisors (51037).

43102043 is an equidigital number, since it uses as much as digits as its factorization.

43102043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51036.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 43102043 is about 6565.2146194926. The cubic root of 43102043 is about 350.6167167589.

Adding to 43102043 its reverse (34020134), we get a palindrome (77122177).

The spelling of 43102043 in words is "forty-three million, one hundred two thousand, forty-three".