201321203323 has 2 divisors, whose sum is σ = 201321203324. Its totient is φ = 201321203322.

The previous prime is 201321203261. The next prime is 201321203327. The reversal of 201321203323 is 323302123102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201321203323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201321203294 and 201321203303.

It is not a weakly prime, because it can be changed into another prime (201321203327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100660601661 + 100660601662.

It is an arithmetic number, because the mean of its divisors is an integer number (100660601662).

Almost surely, 2^201321203323 is an apocalyptic number.

201321203323 is a deficient number, since it is larger than the sum of its proper divisors (1).

201321203323 is an equidigital number, since it uses as much as digits as its factorization.

201321203323 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 201321203323 its reverse (323302123102), we get a palindrome (524623326425).

The spelling of 201321203323 in words is "two hundred one billion, three hundred twenty-one million, two hundred three thousand, three hundred twenty-three".