103404403 has 8 divisors (see below), whose sum is σ = 110692800. Its totient is φ = 96300648.

The previous prime is 103404391. The next prime is 103404409. The reversal of 103404403 is 304404301.

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

It is a cyclic number.

It is not a de Polignac number, because 103404403 - 2⁹ = 103403891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103404409) 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, 45001 + ... + 47242.

It is an arithmetic number, because the mean of its divisors is an integer number (13836600).

Almost surely, 2^103404403 is an apocalyptic number.

103404403 is a deficient number, since it is larger than the sum of its proper divisors (7288397).

103404403 is an equidigital number, since it uses as much as digits as its factorization.

103404403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92321.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 103404403 is about 10168.7955530633. The cubic root of 103404403 is about 469.3674953454.

Adding to 103404403 its reverse (304404301), we get a palindrome (407808704).

The spelling of 103404403 in words is "one hundred three million, four hundred four thousand, four hundred three".