133632223 has 4 divisors (see below), whose sum is σ = 141492960. Its totient is φ = 125771488.

The previous prime is 133632217. The next prime is 133632259. The reversal of 133632223 is 322236331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133632223 - 2¹³ = 133624031 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 (133632283) 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, 3930343 + ... + 3930376.

It is an arithmetic number, because the mean of its divisors is an integer number (35373240).

Almost surely, 2^133632223 is an apocalyptic number.

133632223 is a deficient number, since it is larger than the sum of its proper divisors (7860737).

133632223 is an equidigital number, since it uses as much as digits as its factorization.

133632223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860736.

The product of its digits is 3888, while the sum is 25.

The square root of 133632223 is about 11559.9404410230. The cubic root of 133632223 is about 511.2544066589.

Adding to 133632223 its reverse (322236331), we get a palindrome (455868554).

The spelling of 133632223 in words is "one hundred thirty-three million, six hundred thirty-two thousand, two hundred twenty-three".