104865823 has 6 divisors (see below), whose sum is σ = 107487632. Its totient is φ = 102306480.

The previous prime is 104865799. The next prime is 104865841. The reversal of 104865823 is 328568401.

It is a happy number.

It is not a de Polignac number, because 104865823 - 2²¹ = 102768671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104865023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29511 + ... + 32872.

Almost surely, 2^104865823 is an apocalyptic number.

104865823 is a deficient number, since it is larger than the sum of its proper divisors (2621809).

104865823 is an frugal number, since it uses more digits than its factorization.

104865823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62465 (or 62424 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 104865823 is about 10240.4015058004. The cubic root of 104865823 is about 471.5683580789.

The spelling of 104865823 in words is "one hundred four million, eight hundred sixty-five thousand, eight hundred twenty-three".