133197223 has 2 divisors, whose sum is σ = 133197224. Its totient is φ = 133197222.

The previous prime is 133197217. The next prime is 133197241. The reversal of 133197223 is 322791331.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (322791331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133197223 - 2¹⁷ = 133066151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133197283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66598611 + 66598612.

It is an arithmetic number, because the mean of its divisors is an integer number (66598612).

Almost surely, 2^133197223 is an apocalyptic number.

133197223 is a deficient number, since it is larger than the sum of its proper divisors (1).

133197223 is an equidigital number, since it uses as much as digits as its factorization.

133197223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 133197223 is about 11541.1101285795. The cubic root of 133197223 is about 510.6990580222.

The spelling of 133197223 in words is "one hundred thirty-three million, one hundred ninety-seven thousand, two hundred twenty-three".