321223434404402 has 8 divisors (see below), whose sum is σ = 487640394397296. Its totient is φ = 158676636271972.

The previous prime is 321223434404401. The next prime is 321223434404437. The reversal of 321223434404402 is 204404434322123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (321223434404401) 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 3 ways as a sum of consecutive naturals, for example, 967540464908 + ... + 967540465239.

It is an arithmetic number, because the mean of its divisors is an integer number (60955049299662).

Almost surely, 2^{321223434404402} is an apocalyptic number.

321223434404402 is a deficient number, since it is larger than the sum of its proper divisors (166416959992894).

321223434404402 is a wasteful number, since it uses less digits than its factorization.

321223434404402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935080930232.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 321223434404402 its reverse (204404434322123), we get a palindrome (525627868726525).

The spelling of 321223434404402 in words is "three hundred twenty-one trillion, two hundred twenty-three billion, four hundred thirty-four million, four hundred four thousand, four hundred two".