323023320121 has 4 divisors (see below), whose sum is σ = 323178100992. Its totient is φ = 322868539252.

The previous prime is 323023320097. The next prime is 323023320157. The reversal of 323023320121 is 121023320323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121023320323 = 11257 ⋅10750939.

It is a cyclic number.

It is not a de Polignac number, because 323023320121 - 2⁵ = 323023320089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323023320092 and 323023320101.

It is not an unprimeable number, because it can be changed into a prime (323023320161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77387305 + ... + 77391478.

It is an arithmetic number, because the mean of its divisors is an integer number (80794525248).

Almost surely, 2^323023320121 is an apocalyptic number.

It is an amenable number.

323023320121 is a deficient number, since it is larger than the sum of its proper divisors (154780871).

323023320121 is a wasteful number, since it uses less digits than its factorization.

323023320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154780870.

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

Adding to 323023320121 its reverse (121023320323), we get a palindrome (444046640444).

The spelling of 323023320121 in words is "three hundred twenty-three billion, twenty-three million, three hundred twenty thousand, one hundred twenty-one".