133330423 has 2 divisors, whose sum is σ = 133330424. Its totient is φ = 133330422.

The previous prime is 133330397. The next prime is 133330451. The reversal of 133330423 is 324033331.

It is a weak prime.

It is an emirp because it is prime and its reverse (324033331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133330423 - 2¹⁷ = 133199351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133330394 and 133330403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133330123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66665211 + 66665212.

It is an arithmetic number, because the mean of its divisors is an integer number (66665212).

Almost surely, 2^133330423 is an apocalyptic number.

133330423 is a deficient number, since it is larger than the sum of its proper divisors (1).

133330423 is an equidigital number, since it uses as much as digits as its factorization.

133330423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 133330423 is about 11546.8793619748. The cubic root of 133330423 is about 510.8692378755.

Adding to 133330423 its reverse (324033331), we get a palindrome (457363754).

The spelling of 133330423 in words is "one hundred thirty-three million, three hundred thirty thousand, four hundred twenty-three".