104130123 has 4 divisors (see below), whose sum is σ = 138840168. Its totient is φ = 69420080.

The previous prime is 104130109. The next prime is 104130139. The reversal of 104130123 is 321031401.

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

It is a cyclic number.

It is not a de Polignac number, because 104130123 - 2⁹ = 104129611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104130163) 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, 17355018 + ... + 17355023.

It is an arithmetic number, because the mean of its divisors is an integer number (34710042).

Almost surely, 2^104130123 is an apocalyptic number.

104130123 is a deficient number, since it is larger than the sum of its proper divisors (34710045).

104130123 is an equidigital number, since it uses as much as digits as its factorization.

104130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34710044.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 104130123 is about 10204.4168378208. The cubic root of 104130123 is about 470.4629857538.

Adding to 104130123 its reverse (321031401), we get a palindrome (425161524).

The spelling of 104130123 in words is "one hundred four million, one hundred thirty thousand, one hundred twenty-three".