104212443 has 4 divisors (see below), whose sum is σ = 138949928. Its totient is φ = 69474960.

The previous prime is 104212441. The next prime is 104212453. The reversal of 104212443 is 344212401.

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

It is not a de Polignac number, because 104212443 - 2¹ = 104212441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104212441) 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, 17368738 + ... + 17368743.

It is an arithmetic number, because the mean of its divisors is an integer number (34737482).

Almost surely, 2^104212443 is an apocalyptic number.

104212443 is a deficient number, since it is larger than the sum of its proper divisors (34737485).

104212443 is an equidigital number, since it uses as much as digits as its factorization.

104212443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34737484.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 104212443 is about 10208.4495884537. The cubic root of 104212443 is about 470.5869278331.

Adding to 104212443 its reverse (344212401), we get a palindrome (448424844).

The spelling of 104212443 in words is "one hundred four million, two hundred twelve thousand, four hundred forty-three".