133433223 has 48 divisors (see below), whose sum is σ = 227525760. Its totient is φ = 68779200.

The previous prime is 133433213. The next prime is 133433227. The reversal of 133433223 is 322334331.

It is a happy number.

It is not a de Polignac number, because 133433223 - 2⁵ = 133433191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133433193 and 133433202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133433227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289213 + ... + 289673.

It is an arithmetic number, because the mean of its divisors is an integer number (4740120).

Almost surely, 2^133433223 is an apocalyptic number.

133433223 is a deficient number, since it is larger than the sum of its proper divisors (94092537).

133433223 is a wasteful number, since it uses less digits than its factorization.

133433223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 661 counting only the distinct ones).

The product of its digits is 3888, while the sum is 24.

The square root of 133433223 is about 11551.3299234331. The cubic root of 133433223 is about 511.0005004061. Note that the first 3 decimals are identical.

Adding to 133433223 its reverse (322334331), we get a palindrome (455767554).

The spelling of 133433223 in words is "one hundred thirty-three million, four hundred thirty-three thousand, two hundred twenty-three".