321143120123 has 12 divisors (see below), whose sum is σ = 373689745992. Its totient is φ = 275180724000.

The previous prime is 321143120117. The next prime is 321143120131. The reversal of 321143120123 is 321021341123.

It is not a de Polignac number, because 321143120123 - 2⁶ = 321143120059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321143120143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 848690 + ... + 1167287.

It is an arithmetic number, because the mean of its divisors is an integer number (31140812166).

Almost surely, 2^321143120123 is an apocalyptic number.

321143120123 is a deficient number, since it is larger than the sum of its proper divisors (52546625869).

321143120123 is a wasteful number, since it uses less digits than its factorization.

321143120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019242 (or 2019235 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 321143120123 its reverse (321021341123), we get a palindrome (642164461246).

The spelling of 321143120123 in words is "three hundred twenty-one billion, one hundred forty-three million, one hundred twenty thousand, one hundred twenty-three".