123241242142320 has 40 divisors (see below), whose sum is σ = 382047850641936. Its totient is φ = 32864331237888.

The previous prime is 123241242142259. The next prime is 123241242142321. The reversal of 123241242142320 is 23241242142321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×123241242142320² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123241242142321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256752587557 + ... + 256752588036.

Almost surely, 2^{123241242142320} is an apocalyptic number.

123241242142320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123241242142320 is an abundant number, since it is smaller than the sum of its proper divisors (258806608499616).

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

123241242142320 is a wasteful number, since it uses less digits than its factorization.

123241242142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513505175609 (or 513505175603 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 123241242142320 its reverse (23241242142321), we get a palindrome (146482484284641).

Subtracting from 123241242142320 its reverse (23241242142321), we obtain a palindrome (99999999999999).

The spelling of 123241242142320 in words is "one hundred twenty-three trillion, two hundred forty-one billion, two hundred forty-two million, one hundred forty-two thousand, three hundred twenty".