321001232323123 has 16 divisors (see below), whose sum is σ = 368795707712640. Its totient is φ = 276324002164800.

The previous prime is 321001232323091. The next prime is 321001232323133. The reversal of 321001232323123 is 321323232100123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 321001232323123 - 2⁵ = 321001232323091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321001232323091 and 321001232323100.

It is not an unprimeable number, because it can be changed into a prime (321001232323133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378434538 + ... + 379281823.

It is an arithmetic number, because the mean of its divisors is an integer number (23049731732040).

Almost surely, 2^{321001232323123} is an apocalyptic number.

321001232323123 is a deficient number, since it is larger than the sum of its proper divisors (47794475389517).

321001232323123 is a wasteful number, since it uses less digits than its factorization.

321001232323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757718418.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 321001232323123 its reverse (321323232100123), we get a palindrome (642324464423246).

The spelling of 321001232323123 in words is "three hundred twenty-one trillion, one billion, two hundred thirty-two million, three hundred twenty-three thousand, one hundred twenty-three".