203023201133 has 2 divisors, whose sum is σ = 203023201134. Its totient is φ = 203023201132.

The previous prime is 203023201081. The next prime is 203023201229. The reversal of 203023201133 is 331102320302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181078334089 + 21944867044 = 425533^2 + 148138^2 .

It is a cyclic number.

It is not a de Polignac number, because 203023201133 - 2¹⁶ = 203023135597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203023201333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101511600566 + 101511600567.

It is an arithmetic number, because the mean of its divisors is an integer number (101511600567).

Almost surely, 2^203023201133 is an apocalyptic number.

It is an amenable number.

203023201133 is a deficient number, since it is larger than the sum of its proper divisors (1).

203023201133 is an equidigital number, since it uses as much as digits as its factorization.

203023201133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203023201133 its reverse (331102320302), we get a palindrome (534125521435).

The spelling of 203023201133 in words is "two hundred three billion, twenty-three million, two hundred one thousand, one hundred thirty-three".