203230123120 has 80 divisors (see below), whose sum is σ = 489207438720. Its totient is φ = 78424012800.

The previous prime is 203230123099. The next prime is 203230123123. The reversal of 203230123120 is 21321032302.

203230123120 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203230123123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2820340 + ... + 2891500.

It is an arithmetic number, because the mean of its divisors is an integer number (6115092984).

Almost surely, 2^203230123120 is an apocalyptic number.

203230123120 is a gapful number since it is divisible by the number (20) 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 203230123120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244603719360).

203230123120 is an abundant number, since it is smaller than the sum of its proper divisors (285977315600).

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

203230123120 is a wasteful number, since it uses less digits than its factorization.

203230123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72434 (or 72428 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203230123120 its reverse (21321032302), we get a palindrome (224551155422).

The spelling of 203230123120 in words is "two hundred three billion, two hundred thirty million, one hundred twenty-three thousand, one hundred twenty".