423135566775 has 18 divisors (see below), whose sum is σ = 757882815560. Its totient is φ = 225672302160.

The previous prime is 423135566747. The next prime is 423135566813. The reversal of 423135566775 is 577665531324.

423135566775 is a `hidden beast` number, since 4 + 2 + 3 + 1 + 3 + 5 + 566 + 7 + 75 = 666.

It is not a de Polignac number, because 423135566775 - 2⁵ = 423135566743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 940301035 + ... + 940301484.

Almost surely, 2^423135566775 is an apocalyptic number.

423135566775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423135566775 is a deficient number, since it is larger than the sum of its proper divisors (334747248785).

423135566775 is a wasteful number, since it uses less digits than its factorization.

423135566775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880602535 (or 1880602527 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 54.

The spelling of 423135566775 in words is "four hundred twenty-three billion, one hundred thirty-five million, five hundred sixty-six thousand, seven hundred seventy-five".