321104120123 has 4 divisors (see below), whose sum is σ = 335065168848. Its totient is φ = 307143071400.

The previous prime is 321104120023. The next prime is 321104120149. The reversal of 321104120123 is 321021401123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321104120123 - 2⁸ = 321104119867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321104120095 and 321104120104.

It is not an unprimeable number, because it can be changed into a prime (321104120023) 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 3 ways as a sum of consecutive naturals, for example, 6980524328 + ... + 6980524373.

It is an arithmetic number, because the mean of its divisors is an integer number (83766292212).

Almost surely, 2^321104120123 is an apocalyptic number.

321104120123 is a deficient number, since it is larger than the sum of its proper divisors (13961048725).

321104120123 is a wasteful number, since it uses less digits than its factorization.

321104120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13961048724.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 321104120123 its reverse (321021401123), we get a palindrome (642125521246).

The spelling of 321104120123 in words is "three hundred twenty-one billion, one hundred four million, one hundred twenty thousand, one hundred twenty-three".