133047233 has 4 divisors (see below), whose sum is σ = 145142448. Its totient is φ = 120952020.

The previous prime is 133047209. The next prime is 133047247. The reversal of 133047233 is 332740331.

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 a cyclic number.

It is not a de Polignac number, because 133047233 - 2¹⁰ = 133046209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133047293) 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, 6047591 + ... + 6047612.

It is an arithmetic number, because the mean of its divisors is an integer number (36285612).

Almost surely, 2^133047233 is an apocalyptic number.

It is an amenable number.

133047233 is a deficient number, since it is larger than the sum of its proper divisors (12095215).

133047233 is a wasteful number, since it uses less digits than its factorization.

133047233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12095214.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 133047233 is about 11534.6102231502. The cubic root of 133047233 is about 510.5072909560.

Adding to 133047233 its reverse (332740331), we get a palindrome (465787564).

The spelling of 133047233 in words is "one hundred thirty-three million, forty-seven thousand, two hundred thirty-three".