2001233323 has 2 divisors, whose sum is σ = 2001233324. Its totient is φ = 2001233322.

The previous prime is 2001233309. The next prime is 2001233347. The reversal of 2001233323 is 3233321002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001233323 - 2⁹ = 2001232811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001233323.

It is not a weakly prime, because it can be changed into another prime (2001233123) 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, 1000616661 + 1000616662.

It is an arithmetic number, because the mean of its divisors is an integer number (1000616662).

Almost surely, 2^2001233323 is an apocalyptic number.

2001233323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001233323 is an equidigital number, since it uses as much as digits as its factorization.

2001233323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2001233323 is about 44735.1463952003. The cubic root of 2001233323 is about 1260.1799782799.

Adding to 2001233323 its reverse (3233321002), we get a palindrome (5234554325).

It can be divided in two parts, 20012 and 33323, that added together give a palindrome (53335).

The spelling of 2001233323 in words is "two billion, one million, two hundred thirty-three thousand, three hundred twenty-three".