321321110123 has 8 divisors (see below), whose sum is σ = 346779106128. Its totient is φ = 295968969504.

The previous prime is 321321110113. The next prime is 321321110197. The reversal of 321321110123 is 321011123123.

It is a happy number.

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

It is not a de Polignac number, because 321321110123 - 2⁸ = 321321109867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321321110095 and 321321110104.

It is not an unprimeable number, because it can be changed into a prime (321321110113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26457536 + ... + 26469677.

It is an arithmetic number, because the mean of its divisors is an integer number (43347388266).

Almost surely, 2^321321110123 is an apocalyptic number.

321321110123 is a deficient number, since it is larger than the sum of its proper divisors (25457996005).

321321110123 is a wasteful number, since it uses less digits than its factorization.

321321110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52927693.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 321321110123 its reverse (321011123123), we get a palindrome (642332233246).

The spelling of 321321110123 in words is "three hundred twenty-one billion, three hundred twenty-one million, one hundred ten thousand, one hundred twenty-three".