134330423 has 4 divisors (see below), whose sum is σ = 134354280. Its totient is φ = 134306568.

The previous prime is 134330411. The next prime is 134330453. The reversal of 134330423 is 324033431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324033431 = 79 ⋅4101689.

It is a cyclic number.

It is not a de Polignac number, because 134330423 - 2⁶ = 134330359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134330453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736 + ... + 16482.

It is an arithmetic number, because the mean of its divisors is an integer number (33588570).

Almost surely, 2^134330423 is an apocalyptic number.

134330423 is a deficient number, since it is larger than the sum of its proper divisors (23857).

134330423 is an equidigital number, since it uses as much as digits as its factorization.

134330423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23856.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 134330423 is about 11590.1002152699. The cubic root of 134330423 is about 512.1432590148.

Adding to 134330423 its reverse (324033431), we get a palindrome (458363854).

The spelling of 134330423 in words is "one hundred thirty-four million, three hundred thirty thousand, four hundred twenty-three".