321320230123 has 2 divisors, whose sum is σ = 321320230124. Its totient is φ = 321320230122.

The previous prime is 321320230087. The next prime is 321320230129. The reversal of 321320230123 is 321032023123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321320230123 - 2³³ = 312730295531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321320230094 and 321320230103.

It is not a weakly prime, because it can be changed into another prime (321320230129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160660115061 + 160660115062.

It is an arithmetic number, because the mean of its divisors is an integer number (160660115062).

Almost surely, 2^321320230123 is an apocalyptic number.

321320230123 is a deficient number, since it is larger than the sum of its proper divisors (1).

321320230123 is an equidigital number, since it uses as much as digits as its factorization.

321320230123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 321320230123 its reverse (321032023123), we get a palindrome (642352253246).

The spelling of 321320230123 in words is "three hundred twenty-one billion, three hundred twenty million, two hundred thirty thousand, one hundred twenty-three".