423287144 has 32 divisors (see below), whose sum is σ = 936307200. Its totient is φ = 175556160.

The previous prime is 423287107. The next prime is 423287159. The reversal of 423287144 is 441782324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120179 + ... + 123650.

It is an arithmetic number, because the mean of its divisors is an integer number (29259600).

Almost surely, 2^423287144 is an apocalyptic number.

It is an amenable number.

423287144 is an abundant number, since it is smaller than the sum of its proper divisors (513020056).

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

423287144 is a wasteful number, since it uses less digits than its factorization.

423287144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243873 (or 243869 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 423287144 is about 20573.9433264506. The cubic root of 423287144 is about 750.8358941027.

The spelling of 423287144 in words is "four hundred twenty-three million, two hundred eighty-seven thousand, one hundred forty-four".