134530423 has 2 divisors, whose sum is σ = 134530424. Its totient is φ = 134530422.

The previous prime is 134530411. The next prime is 134530433. The reversal of 134530423 is 324035431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134530423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134530433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67265211 + 67265212.

It is an arithmetic number, because the mean of its divisors is an integer number (67265212).

Almost surely, 2^134530423 is an apocalyptic number.

134530423 is a deficient number, since it is larger than the sum of its proper divisors (1).

134530423 is an equidigital number, since it uses as much as digits as its factorization.

134530423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 134530423 is about 11598.7250592468. The cubic root of 134530423 is about 512.3973038726.

Adding to 134530423 its reverse (324035431), we get a palindrome (458565854).

The spelling of 134530423 in words is "one hundred thirty-four million, five hundred thirty thousand, four hundred twenty-three".