123242424254020 has 48 divisors (see below), whose sum is σ = 267767584741440. Its totient is φ = 47591022213504.

The previous prime is 123242424253969. The next prime is 123242424254051. The reversal of 123242424254020 is 20452424242321.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8942094 + ... + 18067813.

It is an arithmetic number, because the mean of its divisors is an integer number (5578491348780).

Almost surely, 2^{123242424254020} is an apocalyptic number.

123242424254020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123242424254020 is an abundant number, since it is smaller than the sum of its proper divisors (144525160487420).

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

123242424254020 is a wasteful number, since it uses less digits than its factorization.

123242424254020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27017812 (or 27017810 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 123242424254020 its reverse (20452424242321), we get a palindrome (143694848496341).

The spelling of 123242424254020 in words is "one hundred twenty-three trillion, two hundred forty-two billion, four hundred twenty-four million, two hundred fifty-four thousand, twenty".