423140886 has 96 divisors (see below), whose sum is σ = 1091371008. Its totient is φ = 115940160.

The previous prime is 423140857. The next prime is 423140891. The reversal of 423140886 is 688041324.

It is a self number, because there is not a number n which added to its sum of digits gives 423140886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 495636 + ... + 496488.

It is an arithmetic number, because the mean of its divisors is an integer number (11368448).

Almost surely, 2^423140886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423140886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545685504).

423140886 is an abundant number, since it is smaller than the sum of its proper divisors (668230122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423140886 is a wasteful number, since it uses less digits than its factorization.

423140886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 423140886 is about 20570.3885719254. The cubic root of 423140886 is about 750.7494056056.

The spelling of 423140886 in words is "four hundred twenty-three million, one hundred forty thousand, eight hundred eighty-six".