323130440242 has 16 divisors (see below), whose sum is σ = 488735596800. Its totient is φ = 160220291920.

The previous prime is 323130440233. The next prime is 323130440279. The reversal of 323130440242 is 242044031323.

It is a super-3 number, since 3×323130440242³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323130440242.

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, 51517 + ... + 805552.

It is an arithmetic number, because the mean of its divisors is an integer number (30545974800).

Almost surely, 2^323130440242 is an apocalyptic number.

323130440242 is a deficient number, since it is larger than the sum of its proper divisors (165605156558).

323130440242 is a wasteful number, since it uses less digits than its factorization.

323130440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858641.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 323130440242 its reverse (242044031323), we get a palindrome (565174471565).

The spelling of 323130440242 in words is "three hundred twenty-three billion, one hundred thirty million, four hundred forty thousand, two hundred forty-two".