103443 has 12 divisors (see below), whose sum is σ = 146328. Its totient is φ = 64960.

The previous prime is 103423. The next prime is 103451. The reversal of 103443 is 344301.

It is not a de Polignac number, because 103443 - 2⁹ = 102931 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (103423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2503 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (12194).

2¹⁰³⁴⁴³ is an apocalyptic number.

103443 is a deficient number, since it is larger than the sum of its proper divisors (42885).

103443 is an equidigital number, since it uses as much as digits as its factorization.

103443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 103443 is about 321.6255586859. The cubic root of 103443 is about 46.9425887197.

Adding to 103443 its reverse (344301), we get a palindrome (447744).

The spelling of 103443 in words is "one hundred three thousand, four hundred forty-three", and thus it is an iban number.