203231040453 has 12 divisors (see below), whose sum is σ = 335492511328. Its totient is φ = 116132023080.

The previous prime is 203231040443. The next prime is 203231040473. The reversal of 203231040453 is 354040132302.

203231040453 is a `hidden beast` number, since 20 + 3 + 231 + 0 + 404 + 5 + 3 = 666.

203231040453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203231040453 - 2¹⁴ = 203231024069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203231040413) 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 11 ways as a sum of consecutive naturals, for example, 1612944703 + ... + 1612944828.

Almost surely, 2^203231040453 is an apocalyptic number.

It is an amenable number.

203231040453 is a deficient number, since it is larger than the sum of its proper divisors (132261470875).

203231040453 is a wasteful number, since it uses less digits than its factorization.

203231040453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225889544 (or 3225889541 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 203231040453 its reverse (354040132302), we get a palindrome (557271172755).

The spelling of 203231040453 in words is "two hundred three billion, two hundred thirty-one million, forty thousand, four hundred fifty-three".