495558423 has 12 divisors (see below), whose sum is σ = 717520440. Its totient is φ = 329581296.

The previous prime is 495558421. The next prime is 495558433. The reversal of 495558423 is 324855594.

495558423 is a `hidden beast` number, since 4 + 95 + 558 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 495558423 - 2¹ = 495558421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495558421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61936 + ... + 69477.

It is an arithmetic number, because the mean of its divisors is an integer number (59793370).

Almost surely, 2^495558423 is an apocalyptic number.

495558423 is a deficient number, since it is larger than the sum of its proper divisors (221962017).

495558423 is a wasteful number, since it uses less digits than its factorization.

495558423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131838 (or 131835 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 495558423 is about 22261.1415475487. The cubic root of 495558423 is about 791.3433444079.

The spelling of 495558423 in words is "four hundred ninety-five million, five hundred fifty-eight thousand, four hundred twenty-three".