123232203220 has 96 divisors (see below), whose sum is σ = 299713478400. Its totient is φ = 41687215104.

The previous prime is 123232203209. The next prime is 123232203287. The reversal of 123232203220 is 22302232321.

123232203220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 123232203191 and 123232203200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9394026 + ... + 9407134.

It is an arithmetic number, because the mean of its divisors is an integer number (3122015400).

Almost surely, 2^123232203220 is an apocalyptic number.

123232203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123232203220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149856739200).

123232203220 is an abundant number, since it is smaller than the sum of its proper divisors (176481275180).

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

123232203220 is a wasteful number, since it uses less digits than its factorization.

123232203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14017 (or 14015 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 123232203220 its reverse (22302232321), we get a palindrome (145534435541).

The spelling of 123232203220 in words is "one hundred twenty-three billion, two hundred thirty-two million, two hundred three thousand, two hundred twenty".