323231212133 has 2 divisors, whose sum is σ = 323231212134. Its totient is φ = 323231212132.

The previous prime is 323231212067. The next prime is 323231212147. The reversal of 323231212133 is 331212132323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318572194084 + 4659018049 = 564422^2 + 68257^2 .

It is a cyclic number.

It is not a de Polignac number, because 323231212133 - 2¹⁰ = 323231211109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323231212163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161615606066 + 161615606067.

It is an arithmetic number, because the mean of its divisors is an integer number (161615606067).

Almost surely, 2^323231212133 is an apocalyptic number.

It is an amenable number.

323231212133 is a deficient number, since it is larger than the sum of its proper divisors (1).

323231212133 is an equidigital number, since it uses as much as digits as its factorization.

323231212133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 26.

Adding to 323231212133 its reverse (331212132323), we get a palindrome (654443344456).

The spelling of 323231212133 in words is "three hundred twenty-three billion, two hundred thirty-one million, two hundred twelve thousand, one hundred thirty-three".