123430441220 has 24 divisors (see below), whose sum is σ = 259210593600. Its totient is φ = 49370906592.

The previous prime is 123430441217. The next prime is 123430441231. The reversal of 123430441220 is 22144034321.

123430441220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 123430441220.

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, 1315841 + ... + 1406519.

It is an arithmetic number, because the mean of its divisors is an integer number (10800441400).

Almost surely, 2^123430441220 is an apocalyptic number.

123430441220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123430441220 is an abundant number, since it is smaller than the sum of its proper divisors (135780152380).

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

123430441220 is a wasteful number, since it uses less digits than its factorization.

123430441220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158747 (or 158745 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 123430441220 its reverse (22144034321), we get a palindrome (145574475541).

The spelling of 123430441220 in words is "one hundred twenty-three billion, four hundred thirty million, four hundred forty-one thousand, two hundred twenty".