233033133 has 4 divisors (see below), whose sum is σ = 310710848. Its totient is φ = 155355420.

The previous prime is 233033131. The next prime is 233033137. The reversal of 233033133 is 331330332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 233033133 - 2¹ = 233033131 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 (233033131) 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, 38838853 + ... + 38838858.

It is an arithmetic number, because the mean of its divisors is an integer number (77677712).

Almost surely, 2^233033133 is an apocalyptic number.

It is an amenable number.

233033133 is a deficient number, since it is larger than the sum of its proper divisors (77677715).

233033133 is an equidigital number, since it uses as much as digits as its factorization.

233033133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77677714.

The product of its (nonzero) digits is 1458, while the sum is 21.

The square root of 233033133 is about 15265.4227913936. The cubic root of 233033133 is about 615.3741156866.

Adding to 233033133 its reverse (331330332), we get a palindrome (564363465).

The spelling of 233033133 in words is "two hundred thirty-three million, thirty-three thousand, one hundred thirty-three".