104423904 has 144 divisors (see below), whose sum is σ = 331963632. Its totient is φ = 32099328.

The previous prime is 104423873. The next prime is 104423927. The reversal of 104423904 is 409324401.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100572 + ... + 101604.

It is an arithmetic number, because the mean of its divisors is an integer number (2305303).

Almost surely, 2^104423904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104423904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165981816).

104423904 is an abundant number, since it is smaller than the sum of its proper divisors (227539728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104423904 is a wasteful number, since it uses less digits than its factorization.

104423904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 104423904 is about 10218.8014952831. The cubic root of 104423904 is about 470.9050074160.

The spelling of 104423904 in words is "one hundred four million, four hundred twenty-three thousand, nine hundred four".