203231323232 has 24 divisors (see below), whose sum is σ = 457270477776. Its totient is φ = 87099138432.

The previous prime is 203231323199. The next prime is 203231323237. The reversal of 203231323232 is 232323132302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203231323237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453641123 + ... + 453641570.

It is an arithmetic number, because the mean of its divisors is an integer number (19052936574).

Almost surely, 2^203231323232 is an apocalyptic number.

It is an amenable number.

203231323232 is an abundant number, since it is smaller than the sum of its proper divisors (254039154544).

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

203231323232 is an equidigital number, since it uses as much as digits as its factorization.

203231323232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907282710 (or 907282702 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 203231323232 its reverse (232323132302), we get a palindrome (435554455534).

The spelling of 203231323232 in words is "two hundred three billion, two hundred thirty-one million, three hundred twenty-three thousand, two hundred thirty-two".