134123303 has 4 divisors (see below), whose sum is σ = 135179520. Its totient is φ = 133067088.

The previous prime is 134123293. The next prime is 134123309. The reversal of 134123303 is 303321431.

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 134123303 - 2⁴ = 134123287 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 (134123309) 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, 527918 + ... + 528171.

It is an arithmetic number, because the mean of its divisors is an integer number (33794880).

Almost surely, 2^134123303 is an apocalyptic number.

134123303 is a deficient number, since it is larger than the sum of its proper divisors (1056217).

134123303 is a wasteful number, since it uses less digits than its factorization.

134123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056216.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 134123303 is about 11581.1615565970. The cubic root of 134123303 is about 511.8799042359.

Adding to 134123303 its reverse (303321431), we get a palindrome (437444734).

The spelling of 134123303 in words is "one hundred thirty-four million, one hundred twenty-three thousand, three hundred three".