423143585 has 32 divisors (see below), whose sum is σ = 552061440. Its totient is φ = 310321152.

The previous prime is 423143579. The next prime is 423143587. The reversal of 423143585 is 585341324.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423143585 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423143587) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432617 + ... + 433593.

It is an arithmetic number, because the mean of its divisors is an integer number (17251920).

Almost surely, 2^423143585 is an apocalyptic number.

It is an amenable number.

423143585 is a deficient number, since it is larger than the sum of its proper divisors (128917855).

423143585 is a wasteful number, since it uses less digits than its factorization.

423143585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145.

The product of its digits is 57600, while the sum is 35.

The square root of 423143585 is about 20570.4541758319. The cubic root of 423143585 is about 750.7510018181.

The spelling of 423143585 in words is "four hundred twenty-three million, one hundred forty-three thousand, five hundred eighty-five".