104320403 has 4 divisors (see below), whose sum is σ = 113804088. Its totient is φ = 94836720.

The previous prime is 104320397. The next prime is 104320417. The reversal of 104320403 is 304023401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 104320403 - 2¹⁰ = 104319379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104320423) 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, 4741826 + ... + 4741847.

It is an arithmetic number, because the mean of its divisors is an integer number (28451022).

Almost surely, 2^104320403 is an apocalyptic number.

104320403 is a deficient number, since it is larger than the sum of its proper divisors (9483685).

104320403 is an equidigital number, since it uses as much as digits as its factorization.

104320403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9483684.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 104320403 is about 10213.7359961965. The cubic root of 104320403 is about 470.7493749443.

Adding to 104320403 its reverse (304023401), we get a palindrome (408343804).

The spelling of 104320403 in words is "one hundred four million, three hundred twenty thousand, four hundred three".