2002023311 has 2 divisors, whose sum is σ = 2002023312. Its totient is φ = 2002023310.

The previous prime is 2002023299. The next prime is 2002023347. The reversal of 2002023311 is 1133202002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002023311 - 2¹⁴ = 2002006927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002023371) 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, 1001011655 + 1001011656.

It is an arithmetic number, because the mean of its divisors is an integer number (1001011656).

Almost surely, 2^2002023311 is an apocalyptic number.

2002023311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002023311 is an equidigital number, since it uses as much as digits as its factorization.

2002023311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2002023311 is about 44743.9751363242. The cubic root of 2002023311 is about 1260.3457753883.

Adding to 2002023311 its reverse (1133202002), we get a palindrome (3135225313).

The spelling of 2002023311 in words is "two billion, two million, twenty-three thousand, three hundred eleven".