423131185 has 16 divisors (see below), whose sum is σ = 519410880. Its totient is φ = 330804160.

The previous prime is 423131153. The next prime is 423131209. The reversal of 423131185 is 581131324.

It is a happy number.

It is not a de Polignac number, because 423131185 - 2⁵ = 423131153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46890 + ... + 55180.

It is an arithmetic number, because the mean of its divisors is an integer number (32463180).

Almost surely, 2^423131185 is an apocalyptic number.

It is an amenable number.

423131185 is a deficient number, since it is larger than the sum of its proper divisors (96279695).

423131185 is a wasteful number, since it uses less digits than its factorization.

423131185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8528.

The product of its digits is 2880, while the sum is 28.

The square root of 423131185 is about 20570.1527704585. The cubic root of 423131185 is about 750.7436682922.

The spelling of 423131185 in words is "four hundred twenty-three million, one hundred thirty-one thousand, one hundred eighty-five".