2002023001 has 4 divisors (see below), whose sum is σ = 2184025104. Its totient is φ = 1820020900.

The previous prime is 2002022923. The next prime is 2002023011. The reversal of 2002023001 is 1003202002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2002023001 - 2⁹ = 2002022489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002023011) 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 in 3 ways as a sum of consecutive naturals, for example, 91001035 + ... + 91001056.

It is an arithmetic number, because the mean of its divisors is an integer number (546006276).

Almost surely, 2^2002023001 is an apocalyptic number.

It is an amenable number.

2002023001 is a deficient number, since it is larger than the sum of its proper divisors (182002103).

2002023001 is a wasteful number, since it uses less digits than its factorization.

2002023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182002102.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2002023001 is about 44743.9716721705. The cubic root of 2002023001 is about 1260.3457103363.

Adding to 2002023001 its reverse (1003202002), we get a palindrome (3005225003).

It can be divided in two parts, 200202 and 3001, that added together give a triangular number (203203 = T₆₃₇).

The spelling of 2002023001 in words is "two billion, two million, twenty-three thousand, one".