103405443 has 8 divisors (see below), whose sum is σ = 138059088. Its totient is φ = 68844384.

The previous prime is 103405409. The next prime is 103405453. The reversal of 103405443 is 344504301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103405443 - 2²⁰ = 102356867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103405453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20496 + ... + 25037.

It is an arithmetic number, because the mean of its divisors is an integer number (17257386).

Almost surely, 2^103405443 is an apocalyptic number.

103405443 is a deficient number, since it is larger than the sum of its proper divisors (34653645).

103405443 is an equidigital number, since it uses as much as digits as its factorization.

103405443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46293.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 103405443 is about 10168.8466897677. The cubic root of 103405443 is about 469.3690689102.

Adding to 103405443 its reverse (344504301), we get a palindrome (447909744).

The spelling of 103405443 in words is "one hundred three million, four hundred five thousand, four hundred forty-three".