123104113 has 4 divisors (see below), whose sum is σ = 134295408. Its totient is φ = 111912820.

The previous prime is 123104053. The next prime is 123104117. The reversal of 123104113 is 311401321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123104113 - 2⁹ = 123103601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123104117) 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, 5595631 + ... + 5595652.

It is an arithmetic number, because the mean of its divisors is an integer number (33573852).

Almost surely, 2^123104113 is an apocalyptic number.

It is an amenable number.

123104113 is a deficient number, since it is larger than the sum of its proper divisors (11191295).

123104113 is a wasteful number, since it uses less digits than its factorization.

123104113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191294.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 123104113 is about 11095.2292901048. The cubic root of 123104113 is about 497.4592618343.

Adding to 123104113 its reverse (311401321), we get a palindrome (434505434).

The spelling of 123104113 in words is "one hundred twenty-three million, one hundred four thousand, one hundred thirteen".