103403343 has 4 divisors (see below), whose sum is σ = 137871128. Its totient is φ = 68935560.

The previous prime is 103403297. The next prime is 103403369. The reversal of 103403343 is 343304301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343304301 = 3 ⋅114434767.

It is not a de Polignac number, because 103403343 - 2¹³ = 103395151 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 (103403543) 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, 17233888 + ... + 17233893.

It is an arithmetic number, because the mean of its divisors is an integer number (34467782).

Almost surely, 2^103403343 is an apocalyptic number.

103403343 is a deficient number, since it is larger than the sum of its proper divisors (34467785).

103403343 is an equidigital number, since it uses as much as digits as its factorization.

103403343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34467784.

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

The square root of 103403343 is about 10168.7434326961. The cubic root of 103403343 is about 469.3658915090.

Adding to 103403343 its reverse (343304301), we get a palindrome (446707644).

The spelling of 103403343 in words is "one hundred three million, four hundred three thousand, three hundred forty-three".