2001223363 has 2 divisors, whose sum is σ = 2001223364. Its totient is φ = 2001223362.

The previous prime is 2001223361. The next prime is 2001223429. The reversal of 2001223363 is 3633221002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001223363 - 2¹ = 2001223361 is a prime.

Together with 2001223361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2001223361) 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, 1000611681 + 1000611682.

It is an arithmetic number, because the mean of its divisors is an integer number (1000611682).

Almost surely, 2^2001223363 is an apocalyptic number.

2001223363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001223363 is an equidigital number, since it uses as much as digits as its factorization.

2001223363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2001223363 is about 44735.0350731951. The cubic root of 2001223363 is about 1260.1778876669.

Adding to 2001223363 its reverse (3633221002), we get a palindrome (5634444365).

The spelling of 2001223363 in words is "two billion, one million, two hundred twenty-three thousand, three hundred sixty-three".