103943365 has 4 divisors (see below), whose sum is σ = 124732044. Its totient is φ = 83154688.

The previous prime is 103943363. The next prime is 103943369. The reversal of 103943365 is 563349301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74338884 + 29604481 = 8622^2 + 5441^2 .

It is a cyclic number.

It is not a de Polignac number, because 103943365 - 2¹ = 103943363 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 103943365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103943363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10394332 + ... + 10394341.

It is an arithmetic number, because the mean of its divisors is an integer number (31183011).

Almost surely, 2^103943365 is an apocalyptic number.

It is an amenable number.

103943365 is a deficient number, since it is larger than the sum of its proper divisors (20788679).

103943365 is an equidigital number, since it uses as much as digits as its factorization.

103943365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20788678.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 103943365 is about 10195.2618897211. The cubic root of 103943365 is about 470.1815580440.

The spelling of 103943365 in words is "one hundred three million, nine hundred forty-three thousand, three hundred sixty-five".