134120423 has 4 divisors (see below), whose sum is σ = 134387568. Its totient is φ = 133853280.

The previous prime is 134120417. The next prime is 134120443. The reversal of 134120423 is 324021431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134120423 - 2⁴ = 134120407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134120395 and 134120404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134120443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132818 + ... + 133823.

It is an arithmetic number, because the mean of its divisors is an integer number (33596892).

Almost surely, 2^134120423 is an apocalyptic number.

134120423 is a deficient number, since it is larger than the sum of its proper divisors (267145).

134120423 is an equidigital number, since it uses as much as digits as its factorization.

134120423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267144.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 134120423 is about 11581.0372160701. The cubic root of 134120423 is about 511.8762403817.

Adding to 134120423 its reverse (324021431), we get a palindrome (458141854).

The spelling of 134120423 in words is "one hundred thirty-four million, one hundred twenty thousand, four hundred twenty-three".