104423220 has 144 divisors (see below), whose sum is σ = 360726912. Its totient is φ = 24203520.

The previous prime is 104423219. The next prime is 104423233. The reversal of 104423220 is 22324401.

104423220 is a `hidden beast` number, since 1 + 0 + 442 + 3 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 104423193 and 104423202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44394 + ... + 46686.

It is an arithmetic number, because the mean of its divisors is an integer number (2505048).

Almost surely, 2^104423220 is an apocalyptic number.

104423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104423220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180363456).

104423220 is an abundant number, since it is smaller than the sum of its proper divisors (256303692).

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

104423220 is a wasteful number, since it uses less digits than its factorization.

104423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 104423220 is about 10218.7680275070. The cubic root of 104423220 is about 470.9039792359.

Adding to 104423220 its reverse (22324401), we get a palindrome (126747621).

It can be divided in two parts, 104 and 423220, that added together give a palindrome (423324).

The spelling of 104423220 in words is "one hundred four million, four hundred twenty-three thousand, two hundred twenty".