104223139 has 4 divisors (see below), whose sum is σ = 104342056. Its totient is φ = 104104224.

The previous prime is 104223131. The next prime is 104223149. The reversal of 104223139 is 931322401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931322401 = 17609 ⋅52889.

It is a cyclic number.

It is not a de Polignac number, because 104223139 - 2³ = 104223131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104223131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58134 + ... + 59899.

It is an arithmetic number, because the mean of its divisors is an integer number (26085514).

Almost surely, 2^104223139 is an apocalyptic number.

104223139 is a deficient number, since it is larger than the sum of its proper divisors (118917).

104223139 is an equidigital number, since it uses as much as digits as its factorization.

104223139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118916.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 104223139 is about 10208.9734547603. The cubic root of 104223139 is about 470.6030270801.

The spelling of 104223139 in words is "one hundred four million, two hundred twenty-three thousand, one hundred thirty-nine".