201213323 has 2 divisors, whose sum is σ = 201213324. Its totient is φ = 201213322.

The previous prime is 201213307. The next prime is 201213329. The reversal of 201213323 is 323312102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201213323 - 2⁴ = 201213307 is a prime.

It is not a weakly prime, because it can be changed into another prime (201213329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100606661 + 100606662.

It is an arithmetic number, because the mean of its divisors is an integer number (100606662).

Almost surely, 2^201213323 is an apocalyptic number.

201213323 is a deficient number, since it is larger than the sum of its proper divisors (1).

201213323 is an equidigital number, since it uses as much as digits as its factorization.

201213323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 201213323 is about 14184.9682058156. The cubic root of 201213323 is about 585.9837568834.

Adding to 201213323 its reverse (323312102), we get a palindrome (524525425).

The spelling of 201213323 in words is "two hundred one million, two hundred thirteen thousand, three hundred twenty-three".