10000043 has 4 divisors (see below), whose sum is σ = 10006920. Its totient is φ = 9993168.

The previous prime is 10000019. The next prime is 10000079. The reversal of 10000043 is 34000001.

10000043 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34000001 = 7 ⋅4857143.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000043 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000643) 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, 305 + ... + 4482.

It is an arithmetic number, because the mean of its divisors is an integer number (2501730).

Almost surely, 2^10000043 is an apocalyptic number.

10000043 is a deficient number, since it is larger than the sum of its proper divisors (6877).

10000043 is an equidigital number, since it uses as much as digits as its factorization.

10000043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 10000043 is about 3162.2844590580. The cubic root of 10000043 is about 215.4437778051.

Adding to 10000043 its reverse (34000001), we get a palindrome (44000044).

The spelling of 10000043 in words is "ten million, forty-three", and thus it is an aban number and an uban number.