134456423 has 2 divisors, whose sum is σ = 134456424. Its totient is φ = 134456422.

The previous prime is 134456419. The next prime is 134456447. The reversal of 134456423 is 324654431.

It is a weak prime.

It is an emirp because it is prime and its reverse (324654431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134456423 - 2² = 134456419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134456423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134456473) 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 as a sum of consecutive naturals, namely, 67228211 + 67228212.

It is an arithmetic number, because the mean of its divisors is an integer number (67228212).

Almost surely, 2^134456423 is an apocalyptic number.

134456423 is a deficient number, since it is larger than the sum of its proper divisors (1).

134456423 is an equidigital number, since it uses as much as digits as its factorization.

134456423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

The square root of 134456423 is about 11595.5346146696. The cubic root of 134456423 is about 512.3033366393.

The spelling of 134456423 in words is "one hundred thirty-four million, four hundred fifty-six thousand, four hundred twenty-three".