104091823 has 18 divisors (see below), whose sum is σ = 120804432. Its totient is φ = 89610840.

The previous prime is 104091821. The next prime is 104091857. The reversal of 104091823 is 328190401.

It is a happy number.

It is not a de Polignac number, because 104091823 - 2¹ = 104091821 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 104091791 and 104091800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104091821) 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 17 ways as a sum of consecutive naturals, for example, 42490 + ... + 44872.

Almost surely, 2^104091823 is an apocalyptic number.

104091823 is a deficient number, since it is larger than the sum of its proper divisors (16712609).

104091823 is a wasteful number, since it uses less digits than its factorization.

104091823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 104091823 is about 10202.5400268757. The cubic root of 104091823 is about 470.4052985018.

The spelling of 104091823 in words is "one hundred four million, ninety-one thousand, eight hundred twenty-three".