321423333442 has 16 divisors (see below), whose sum is σ = 486936742464. Its totient is φ = 159111270000.

The previous prime is 321423333401. The next prime is 321423333493. The reversal of 321423333442 is 244333324123.

It is a junction number, because it is equal to n+sod(n) for n = 321423333398 and 321423333407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4638067 + ... + 4706857.

It is an arithmetic number, because the mean of its divisors is an integer number (30433546404).

Almost surely, 2^321423333442 is an apocalyptic number.

321423333442 is a deficient number, since it is larger than the sum of its proper divisors (165513409022).

321423333442 is a wasteful number, since it uses less digits than its factorization.

321423333442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92025.

The product of its digits is 124416, while the sum is 34.

Adding to 321423333442 its reverse (244333324123), we get a palindrome (565756657565).

The spelling of 321423333442 in words is "three hundred twenty-one billion, four hundred twenty-three million, three hundred thirty-three thousand, four hundred forty-two".