104123 has 2 divisors, whose sum is σ = 104124. Its totient is φ = 104122.

The previous prime is 104119. The next prime is 104147. The reversal of 104123 is 321401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104123 - 2² = 104119 is a prime.

It is not a weakly prime, because it can be changed into another prime (104113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52061 + 52062.

It is an arithmetic number, because the mean of its divisors is an integer number (52062).

2¹⁰⁴¹²³ is an apocalyptic number.

104123 is a deficient number, since it is larger than the sum of its proper divisors (1).

104123 is an equidigital number, since it uses as much as digits as its factorization.

104123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 104123 is about 322.6809569838. The cubic root of 104123 is about 47.0452258201.

Adding to 104123 its reverse (321401), we get a palindrome (425524).

The spelling of 104123 in words is "one hundred four thousand, one hundred twenty-three", and thus it is an iban number.