134128323 has 24 divisors (see below), whose sum is σ = 221764608. Its totient is φ = 76524912.

The previous prime is 134128321. The next prime is 134128327. The reversal of 134128323 is 323821431.

It is not a de Polignac number, because 134128323 - 2¹ = 134128321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134128321) 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 in 23 ways as a sum of consecutive naturals, for example, 53136 + ... + 55602.

It is an arithmetic number, because the mean of its divisors is an integer number (9240192).

Almost surely, 2^134128323 is an apocalyptic number.

134128323 is a deficient number, since it is larger than the sum of its proper divisors (87636285).

134128323 is a wasteful number, since it uses less digits than its factorization.

134128323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343 (or 3340 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 134128323 is about 11581.3782858518. The cubic root of 134128323 is about 511.8862904119.

Adding to 134128323 its reverse (323821431), we get a palindrome (457949754).

The spelling of 134128323 in words is "one hundred thirty-four million, one hundred twenty-eight thousand, three hundred twenty-three".