323130042 has 48 divisors (see below), whose sum is σ = 709394400. Its totient is φ = 106293600.

The previous prime is 323130011. The next prime is 323130043. The reversal of 323130042 is 240031323.

323130042 is a `hidden beast` number, since 323 + 1 + 300 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 323129997 and 323130024.

It is not an unprimeable number, because it can be changed into a prime (323130043) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 565617 + ... + 566187.

It is an arithmetic number, because the mean of its divisors is an integer number (14779050).

Almost surely, 2^323130042 is an apocalyptic number.

323130042 is an abundant number, since it is smaller than the sum of its proper divisors (386264358).

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

323130042 is a wasteful number, since it uses less digits than its factorization.

323130042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 323130042 is about 17975.8182567582. The cubic root of 323130042 is about 686.2132702529.

Adding to 323130042 its reverse (240031323), we get a palindrome (563161365).

The spelling of 323130042 in words is "three hundred twenty-three million, one hundred thirty thousand, forty-two".