104043243 has 4 divisors (see below), whose sum is σ = 138724328. Its totient is φ = 69362160.

The previous prime is 104043241. The next prime is 104043257. The reversal of 104043243 is 342340401.

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

It is not a de Polignac number, because 104043243 - 2¹ = 104043241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104043241) 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, 17340538 + ... + 17340543.

It is an arithmetic number, because the mean of its divisors is an integer number (34681082).

Almost surely, 2^104043243 is an apocalyptic number.

104043243 is a deficient number, since it is larger than the sum of its proper divisors (34681085).

104043243 is an equidigital number, since it uses as much as digits as its factorization.

104043243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34681084.

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

The square root of 104043243 is about 10200.1589693494. The cubic root of 104043243 is about 470.3321072086.

Adding to 104043243 its reverse (342340401), we get a palindrome (446383644).

The spelling of 104043243 in words is "one hundred four million, forty-three thousand, two hundred forty-three".