323121222042 has 32 divisors (see below), whose sum is σ = 651048490944. Its totient is φ = 106906281600.

The previous prime is 323121222041. The next prime is 323121222049. The reversal of 323121222042 is 240222121323.

It is not an unprimeable number, because it can be changed into a prime (323121222041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7162617 + ... + 7207587.

It is an arithmetic number, because the mean of its divisors is an integer number (20345265342).

Almost surely, 2^323121222042 is an apocalyptic number.

323121222042 is an abundant number, since it is smaller than the sum of its proper divisors (327927268902).

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

323121222042 is a wasteful number, since it uses less digits than its factorization.

323121222042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53854.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 323121222042 its reverse (240222121323), we get a palindrome (563343343365).

The spelling of 323121222042 in words is "three hundred twenty-three billion, one hundred twenty-one million, two hundred twenty-two thousand, forty-two".