123141300420020 has 24 divisors (see below), whose sum is σ = 273808303287624. Its totient is φ = 46359077805056.

The previous prime is 123141300420001. The next prime is 123141300420049. The reversal of 123141300420020 is 20024003141321.

It can be written as a sum of positive squares in 4 ways, for example, as 1097977048336 + 122043323371684 = 1047844^2 + 11047322^2 .

It is a congruent number.

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, 181090147337 + ... + 181090148016.

It is an arithmetic number, because the mean of its divisors is an integer number (11408679303651).

Almost surely, 2^{123141300420020} is an apocalyptic number.

123141300420020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123141300420020 is an abundant number, since it is smaller than the sum of its proper divisors (150667002867604).

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

123141300420020 is a wasteful number, since it uses less digits than its factorization.

123141300420020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362180295379 (or 362180295377 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123141300420020 its reverse (20024003141321), we get a palindrome (143165303561341).

The spelling of 123141300420020 in words is "one hundred twenty-three trillion, one hundred forty-one billion, three hundred million, four hundred twenty thousand, twenty".