2002143323 has 2 divisors, whose sum is σ = 2002143324. Its totient is φ = 2002143322.

The previous prime is 2002143313. The next prime is 2002143361. The reversal of 2002143323 is 3233412002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002143323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002143295 and 2002143304.

It is not a weakly prime, because it can be changed into another prime (2002143313) 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, 1001071661 + 1001071662.

It is an arithmetic number, because the mean of its divisors is an integer number (1001071662).

Almost surely, 2^2002143323 is an apocalyptic number.

2002143323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002143323 is an equidigital number, since it uses as much as digits as its factorization.

2002143323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2002143323 is about 44745.3162129848. The cubic root of 2002143323 is about 1260.3709588438.

Adding to 2002143323 its reverse (3233412002), we get a palindrome (5235555325).

The spelling of 2002143323 in words is "two billion, two million, one hundred forty-three thousand, three hundred twenty-three".