2403103 has 4 divisors (see below), whose sum is σ = 2544480. Its totient is φ = 2261728.

The previous prime is 2403091. The next prime is 2403119. The reversal of 2403103 is 3013042.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2403103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403173) 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, 70663 + ... + 70696.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

2^2403103 is an apocalyptic number.

2403103 is a deficient number, since it is larger than the sum of its proper divisors (141377).

2403103 is a wasteful number, since it uses less digits than its factorization.

2403103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141376.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2403103 is about 1550.1945039252. The cubic root of 2403103 is about 133.9442665678.

Adding to 2403103 its reverse (3013042), we get a palindrome (5416145).

The spelling of 2403103 in words is "two million, four hundred three thousand, one hundred three".