104403243 has 8 divisors (see below), whose sum is σ = 159090688. Its totient is φ = 59658984.

The previous prime is 104403227. The next prime is 104403253. The reversal of 104403243 is 342304401.

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

It is not a de Polignac number, because 104403243 - 2⁴ = 104403227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4971583 = 104403243 / (1 + 0 + 4 + 4 + 0 + 3 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104403203) 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, 2485771 + ... + 2485812.

It is an arithmetic number, because the mean of its divisors is an integer number (19886336).

Almost surely, 2^104403243 is an apocalyptic number.

104403243 is a deficient number, since it is larger than the sum of its proper divisors (54687445).

104403243 is an equidigital number, since it uses as much as digits as its factorization.

104403243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971593.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 104403243 is about 10217.7905145878. The cubic root of 104403243 is about 470.8739480840.

Adding to 104403243 its reverse (342304401), we get a palindrome (446707644).

The spelling of 104403243 in words is "one hundred four million, four hundred three thousand, two hundred forty-three".