233203133 has 2 divisors, whose sum is σ = 233203134. Its totient is φ = 233203132.

The previous prime is 233203129. The next prime is 233203151. The reversal of 233203133 is 331302332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173264569 + 59938564 = 13163^2 + 7742^2 .

It is a cyclic number.

It is not a de Polignac number, because 233203133 - 2² = 233203129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233202133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116601566 + 116601567.

It is an arithmetic number, because the mean of its divisors is an integer number (116601567).

Almost surely, 2^233203133 is an apocalyptic number.

It is an amenable number.

233203133 is a deficient number, since it is larger than the sum of its proper divisors (1).

233203133 is an equidigital number, since it uses as much as digits as its factorization.

233203133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 233203133 is about 15270.9899155228. The cubic root of 233203133 is about 615.5237198363.

Adding to 233203133 its reverse (331302332), we get a palindrome (564505465).

The spelling of 233203133 in words is "two hundred thirty-three million, two hundred three thousand, one hundred thirty-three".