43687103 has 4 divisors (see below), whose sum is σ = 43827888. Its totient is φ = 43546320.

The previous prime is 43687057. The next prime is 43687109. The reversal of 43687103 is 30178634.

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 43687103 - 2¹⁰ = 43686079 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 43687103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43687109) 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, 69926 + ... + 70547.

It is an arithmetic number, because the mean of its divisors is an integer number (10956972).

Almost surely, 2^43687103 is an apocalyptic number.

43687103 is a deficient number, since it is larger than the sum of its proper divisors (140785).

43687103 is a wasteful number, since it uses less digits than its factorization.

43687103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140784.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 43687103 is about 6609.6220012948. The cubic root of 43687103 is about 352.1959969719.

The spelling of 43687103 in words is "forty-three million, six hundred eighty-seven thousand, one hundred three".