103343403 has 4 divisors (see below), whose sum is σ = 137791208. Its totient is φ = 68895600.

The previous prime is 103343381. The next prime is 103343407. The reversal of 103343403 is 304343301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304343301 = 3 ⋅101447767.

It is not a de Polignac number, because 103343403 - 2⁵ = 103343371 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 103343403.

It is not an unprimeable number, because it can be changed into a prime (103343407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17223898 + ... + 17223903.

It is an arithmetic number, because the mean of its divisors is an integer number (34447802).

Almost surely, 2^103343403 is an apocalyptic number.

103343403 is a deficient number, since it is larger than the sum of its proper divisors (34447805).

103343403 is an equidigital number, since it uses as much as digits as its factorization.

103343403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34447804.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 103343403 is about 10165.7957386522. The cubic root of 103343403 is about 469.2751812586.

Adding to 103343403 its reverse (304343301), we get a palindrome (407686704).

The spelling of 103343403 in words is "one hundred three million, three hundred forty-three thousand, four hundred three".