134443123 has 16 divisors (see below), whose sum is σ = 145566720. Its totient is φ = 123702400.

The previous prime is 134443121. The next prime is 134443189. The reversal of 134443123 is 321344431.

It is a cyclic number.

It is not a de Polignac number, because 134443123 - 2¹ = 134443121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134443121) 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 15 ways as a sum of consecutive naturals, for example, 311718 + ... + 312148.

It is an arithmetic number, because the mean of its divisors is an integer number (9097920).

Almost surely, 2^134443123 is an apocalyptic number.

134443123 is a deficient number, since it is larger than the sum of its proper divisors (11123597).

134443123 is a wasteful number, since it uses less digits than its factorization.

134443123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818.

The product of its digits is 3456, while the sum is 25.

The square root of 134443123 is about 11594.9611038589. The cubic root of 134443123 is about 512.2864442790.

Adding to 134443123 its reverse (321344431), we get a palindrome (455787554).

The spelling of 134443123 in words is "one hundred thirty-four million, four hundred forty-three thousand, one hundred twenty-three".