323203222011121 has 4 divisors (see below), whose sum is σ = 323203258101312. Its totient is φ = 323203185920932.

The previous prime is 323203222011079. The next prime is 323203222011211. The reversal of 323203222011121 is 121110222302323.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 323203222011121 - 2³³ = 323194632076529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323203228011121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6688020 + ... + 26289466.

It is an arithmetic number, because the mean of its divisors is an integer number (80800814525328).

Almost surely, 2^{323203222011121} is an apocalyptic number.

It is an amenable number.

323203222011121 is a deficient number, since it is larger than the sum of its proper divisors (36090191).

323203222011121 is a wasteful number, since it uses less digits than its factorization.

323203222011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36090190.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 323203222011121 its reverse (121110222302323), we get a palindrome (444313444313444).

The spelling of 323203222011121 in words is "three hundred twenty-three trillion, two hundred three billion, two hundred twenty-two million, eleven thousand, one hundred twenty-one".