321123301004 has 48 divisors (see below), whose sum is σ = 637697642400. Its totient is φ = 140153126400.

The previous prime is 321123300961. The next prime is 321123301007. The reversal of 321123301004 is 400103321123.

It is not an unprimeable number, because it can be changed into a prime (321123301007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 464249 + ... + 926160.

It is an arithmetic number, because the mean of its divisors is an integer number (13285367550).

Almost surely, 2^321123301004 is an apocalyptic number.

It is an amenable number.

321123301004 is a deficient number, since it is larger than the sum of its proper divisors (316574341396).

321123301004 is a wasteful number, since it uses less digits than its factorization.

321123301004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390634 (or 1390632 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321123301004 its reverse (400103321123), we get a palindrome (721226622127).

The spelling of 321123301004 in words is "three hundred twenty-one billion, one hundred twenty-three million, three hundred one thousand, four".