133323233 has 4 divisors (see below), whose sum is σ = 135313200. Its totient is φ = 131333268.

The previous prime is 133323227. The next prime is 133323259. The reversal of 133323233 is 332323331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 332323331 = 1033 ⋅321707.

It is a cyclic number.

It is not a de Polignac number, because 133323233 - 2⁴ = 133323217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133323199 and 133323208.

It is not an unprimeable number, because it can be changed into a prime (133323283) 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, 994883 + ... + 995016.

It is an arithmetic number, because the mean of its divisors is an integer number (33828300).

Almost surely, 2^133323233 is an apocalyptic number.

It is an amenable number.

133323233 is a deficient number, since it is larger than the sum of its proper divisors (1989967).

133323233 is an equidigital number, since it uses as much as digits as its factorization.

133323233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989966.

The product of its digits is 2916, while the sum is 23.

The square root of 133323233 is about 11546.5680182468. The cubic root of 133323233 is about 510.8600546354.

Adding to 133323233 its reverse (332323331), we get a palindrome (465646564).

The spelling of 133323233 in words is "one hundred thirty-three million, three hundred twenty-three thousand, two hundred thirty-three".