104240123020 has 36 divisors (see below), whose sum is σ = 240613777152. Its totient is φ = 37905498400.

The previous prime is 104240123017. The next prime is 104240123021. The reversal of 104240123020 is 20321042401.

It is not an unprimeable number, because it can be changed into a prime (104240123021) 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 11 ways as a sum of consecutive naturals, for example, 21534796 + ... + 21539635.

It is an arithmetic number, because the mean of its divisors is an integer number (6683716032).

Almost surely, 2^104240123020 is an apocalyptic number.

104240123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104240123020 is an abundant number, since it is smaller than the sum of its proper divisors (136373654132).

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

104240123020 is a wasteful number, since it uses less digits than its factorization.

104240123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43074462 (or 43074449 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 104240123020 its reverse (20321042401), we get a palindrome (124561165421).

The spelling of 104240123020 in words is "one hundred four billion, two hundred forty million, one hundred twenty-three thousand, twenty".