123404442201140 has 24 divisors (see below), whose sum is σ = 259690350205440. Its totient is φ = 49258725150368.

The previous prime is 123404442201133. The next prime is 123404442201143. The reversal of 123404442201140 is 41102244404321.

It is a junction number, because it is equal to n+sod(n) for n = 123404442201097 and 123404442201106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123404442201143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6440723312 + ... + 6440742471.

It is an arithmetic number, because the mean of its divisors is an integer number (10820431258560).

Almost surely, 2^{123404442201140} is an apocalyptic number.

123404442201140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123404442201140 is an abundant number, since it is smaller than the sum of its proper divisors (136285908004300).

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

123404442201140 is a wasteful number, since it uses less digits than its factorization.

123404442201140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12881466271 (or 12881466269 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 123404442201140 its reverse (41102244404321), we get a palindrome (164506686605461).

The spelling of 123404442201140 in words is "one hundred twenty-three trillion, four hundred four billion, four hundred forty-two million, two hundred one thousand, one hundred forty".