104100123 has 8 divisors (see below), whose sum is σ = 140074000. Its totient is φ = 68763168.

The previous prime is 104100091. The next prime is 104100133. The reversal of 104100123 is 321001401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104100123 - 2⁵ = 104100091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104100099 and 104100108.

It is not an unprimeable number, because it can be changed into a prime (104100133) 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 7 ways as a sum of consecutive naturals, for example, 158848 + ... + 159501.

It is an arithmetic number, because the mean of its divisors is an integer number (17509250).

Almost surely, 2^104100123 is an apocalyptic number.

104100123 is a deficient number, since it is larger than the sum of its proper divisors (35973877).

104100123 is a wasteful number, since it uses less digits than its factorization.

104100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318461.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 104100123 is about 10202.9467802199. The cubic root of 104100123 is about 470.4178011176.

Adding to 104100123 its reverse (321001401), we get a palindrome (425101524).

The spelling of 104100123 in words is "one hundred four million, one hundred thousand, one hundred twenty-three".