104040123420 has 96 divisors (see below), whose sum is σ = 308509846848. Its totient is φ = 26106826752.

The previous prime is 104040123401. The next prime is 104040123433. The reversal of 104040123420 is 24321040401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9187602 + ... + 9198918.

It is an arithmetic number, because the mean of its divisors is an integer number (3213644238).

Almost surely, 2^104040123420 is an apocalyptic number.

104040123420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104040123420 is an abundant number, since it is smaller than the sum of its proper divisors (204469723428).

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

104040123420 is a wasteful number, since it uses less digits than its factorization.

104040123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20359 (or 20357 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 104040123420 its reverse (24321040401), we get a palindrome (128361163821).

The spelling of 104040123420 in words is "one hundred four billion, forty million, one hundred twenty-three thousand, four hundred twenty".