659134423 has 2 divisors, whose sum is σ = 659134424. Its totient is φ = 659134422.

The previous prime is 659134403. The next prime is 659134459. The reversal of 659134423 is 324431956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 659134423 - 2²⁹ = 122263511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659134403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329567211 + 329567212.

It is an arithmetic number, because the mean of its divisors is an integer number (329567212).

Almost surely, 2^659134423 is an apocalyptic number.

659134423 is a deficient number, since it is larger than the sum of its proper divisors (1).

659134423 is an equidigital number, since it uses as much as digits as its factorization.

659134423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 659134423 is about 25673.6133608030. The cubic root of 659134423 is about 870.2779853299.

It can be divided in two parts, 6591 and 34423, that added together give a palindrome (41014).

The spelling of 659134423 in words is "six hundred fifty-nine million, one hundred thirty-four thousand, four hundred twenty-three".