203231230032 has 80 divisors (see below), whose sum is σ = 554039370560. Its totient is φ = 64016510976.

The previous prime is 203231230031. The next prime is 203231230067. The reversal of 203231230032 is 230032132302.

It is a junction number, because it is equal to n+sod(n) for n = 203231229990 and 203231230008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203231230031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81408 + ... + 642720.

It is an arithmetic number, because the mean of its divisors is an integer number (6925492132).

Almost surely, 2^203231230032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203231230032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277019685280).

203231230032 is an abundant number, since it is smaller than the sum of its proper divisors (350808140528).

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

203231230032 is a wasteful number, since it uses less digits than its factorization.

203231230032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561740 (or 561734 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203231230032 its reverse (230032132302), we get a palindrome (433263362334).

The spelling of 203231230032 in words is "two hundred three billion, two hundred thirty-one million, two hundred thirty thousand, thirty-two".