104823 has 12 divisors (see below), whose sum is σ = 159640. Its totient is φ = 66096.

The previous prime is 104803. The next prime is 104827. The reversal of 104823 is 328401.

It is a happy number.

It is not a de Polignac number, because 104823 - 2⁶ = 104759 is a prime.

It is a super-2 number, since 2×104823² = 21975722658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104796 and 104805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104827) 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 in 11 ways as a sum of consecutive naturals, for example, 136 + ... + 477.

2¹⁰⁴⁸²³ is an apocalyptic number.

104823 is a deficient number, since it is larger than the sum of its proper divisors (54817).

104823 is a wasteful number, since it uses less digits than its factorization.

104823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 104823 is about 323.7638027946. The cubic root of 104823 is about 47.1504159466.

The spelling of 104823 in words is "one hundred four thousand, eight hundred twenty-three".