203231000223 has 12 divisors (see below), whose sum is σ = 310823882928. Its totient is φ = 127517490240.

The previous prime is 203231000191. The next prime is 203231000261. The reversal of 203231000223 is 322000132302.

It is a happy number.

203231000223 is a `hidden beast` number, since 20 + 323 + 100 + 0 + 223 = 666.

It is not a de Polignac number, because 203231000223 - 2⁵ = 203231000191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203231000196 and 203231000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203231000263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664153443 + ... + 664153748.

It is an arithmetic number, because the mean of its divisors is an integer number (25901990244).

Almost surely, 2^203231000223 is an apocalyptic number.

203231000223 is a deficient number, since it is larger than the sum of its proper divisors (107592882705).

203231000223 is a wasteful number, since it uses less digits than its factorization.

203231000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328307214 (or 1328307211 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 203231000223 its reverse (322000132302), we get a palindrome (525231132525).

The spelling of 203231000223 in words is "two hundred three billion, two hundred thirty-one million, two hundred twenty-three", and thus it is an aban number.