133041323 has 2 divisors, whose sum is σ = 133041324. Its totient is φ = 133041322.

The previous prime is 133041319. The next prime is 133041347. The reversal of 133041323 is 323140331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133041323 - 2² = 133041319 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 133041295 and 133041304.

It is not a weakly prime, because it can be changed into another prime (133041313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66520661 + 66520662.

It is an arithmetic number, because the mean of its divisors is an integer number (66520662).

Almost surely, 2^133041323 is an apocalyptic number.

133041323 is a deficient number, since it is larger than the sum of its proper divisors (1).

133041323 is an equidigital number, since it uses as much as digits as its factorization.

133041323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133041323 is about 11534.3540347954. The cubic root of 133041323 is about 510.4997318792.

Adding to 133041323 its reverse (323140331), we get a palindrome (456181654).

The spelling of 133041323 in words is "one hundred thirty-three million, forty-one thousand, three hundred twenty-three".