123244133304042 has 24 divisors (see below), whose sum is σ = 267029186448960. Its totient is φ = 41081342236200.

The previous prime is 123244133304041. The next prime is 123244133304049. The reversal of 123244133304042 is 240403331442321.

123244133304042 is a `hidden beast` number, since 1 + 2 + 3 + 244 + 1 + 3 + 3 + 3 + 0 + 404 + 2 = 666.

It is a super-2 number, since 2×123244133304042² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123244133303988 and 123244133304006.

It is not an unprimeable number, because it can be changed into a prime (123244133304041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26179309 + ... + 30526127.

It is an arithmetic number, because the mean of its divisors is an integer number (11126216102040).

Almost surely, 2^{123244133304042} is an apocalyptic number.

123244133304042 is an abundant number, since it is smaller than the sum of its proper divisors (143785053144918).

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

123244133304042 is a wasteful number, since it uses less digits than its factorization.

123244133304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921978 (or 5921975 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 123244133304042 its reverse (240403331442321), we get a palindrome (363647464746363).

The spelling of 123244133304042 in words is "one hundred twenty-three trillion, two hundred forty-four billion, one hundred thirty-three million, three hundred four thousand, forty-two".