321204423132143 has 8 divisors (see below), whose sum is σ = 325235523366768. Its totient is φ = 317177160217344.

The previous prime is 321204423132121. The next prime is 321204423132163. The reversal of 321204423132143 is 341231324402123.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 321204423132143 - 2¹⁶ = 321204423066607 is a prime.

It is a super-3 number, since 3×321204423132143³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321204423132163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959161496 + ... + 959496317.

It is an arithmetic number, because the mean of its divisors is an integer number (40654440420846).

Almost surely, 2^{321204423132143} is an apocalyptic number.

321204423132143 is a deficient number, since it is larger than the sum of its proper divisors (4031100234625).

321204423132143 is a wasteful number, since it uses less digits than its factorization.

321204423132143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918659913.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 321204423132143 its reverse (341231324402123), we get a palindrome (662435747534266).

The spelling of 321204423132143 in words is "three hundred twenty-one trillion, two hundred four billion, four hundred twenty-three million, one hundred thirty-two thousand, one hundred forty-three".