104020421302123 has 32 divisors (see below), whose sum is σ = 105039457402880. Its totient is φ = 103008437475840.

The previous prime is 104020421302093. The next prime is 104020421302163. The reversal of 104020421302123 is 321203124020401.

It is a cyclic number.

It is not a de Polignac number, because 104020421302123 - 2³³ = 104011831367531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104020421302163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78387656686 + ... + 78387658012.

It is an arithmetic number, because the mean of its divisors is an integer number (3282483043840).

Almost surely, 2^{104020421302123} is an apocalyptic number.

104020421302123 is a deficient number, since it is larger than the sum of its proper divisors (1019036100757).

104020421302123 is a wasteful number, since it uses less digits than its factorization.

104020421302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 104020421302123 its reverse (321203124020401), we get a palindrome (425223545322524).

The spelling of 104020421302123 in words is "one hundred four trillion, twenty billion, four hundred twenty-one million, three hundred two thousand, one hundred twenty-three".