20223323213 has 2 divisors, whose sum is σ = 20223323214. Its totient is φ = 20223323212.

The previous prime is 20223323173. The next prime is 20223323257. The reversal of 20223323213 is 31232332202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20220271204 + 3052009 = 142198^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223323213 - 2¹⁸ = 20223061069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20223329213) 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 as a sum of consecutive naturals, namely, 10111661606 + 10111661607.

It is an arithmetic number, because the mean of its divisors is an integer number (10111661607).

Almost surely, 2^20223323213 is an apocalyptic number.

It is an amenable number.

20223323213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223323213 is an equidigital number, since it uses as much as digits as its factorization.

20223323213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20223323213 its reverse (31232332202), we get a palindrome (51455655415).

The spelling of 20223323213 in words is "twenty billion, two hundred twenty-three million, three hundred twenty-three thousand, two hundred thirteen".