134423453 has 2 divisors, whose sum is σ = 134423454. Its totient is φ = 134423452.

The previous prime is 134423449. The next prime is 134423467. The reversal of 134423453 is 354324431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109453444 + 24970009 = 10462^2 + 4997^2 .

It is a cyclic number.

It is not a de Polignac number, because 134423453 - 2² = 134423449 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134423413) 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, 67211726 + 67211727.

It is an arithmetic number, because the mean of its divisors is an integer number (67211727).

Almost surely, 2^134423453 is an apocalyptic number.

It is an amenable number.

134423453 is a deficient number, since it is larger than the sum of its proper divisors (1).

134423453 is an equidigital number, since it uses as much as digits as its factorization.

134423453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 29.

The square root of 134423453 is about 11594.1128595507. The cubic root of 134423453 is about 512.2614593247.

Adding to 134423453 its reverse (354324431), we get a palindrome (488747884).

The spelling of 134423453 in words is "one hundred thirty-four million, four hundred twenty-three thousand, four hundred fifty-three".