104423240 has 32 divisors (see below), whose sum is σ = 247320000. Its totient is φ = 39570624.

The previous prime is 104423239. The next prime is 104423257. The reversal of 104423240 is 42324401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67940 + ... + 69459.

It is an arithmetic number, because the mean of its divisors is an integer number (7728750).

Almost surely, 2^104423240 is an apocalyptic number.

104423240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104423240 is an abundant number, since it is smaller than the sum of its proper divisors (142896760).

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

104423240 is a wasteful number, since it uses less digits than its factorization.

104423240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137429 (or 137425 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 104423240 is about 10218.7690060985. The cubic root of 104423240 is about 470.9040092998.

Adding to 104423240 its reverse (42324401), we get a palindrome (146747641).

The spelling of 104423240 in words is "one hundred four million, four hundred twenty-three thousand, two hundred forty".