2003023001 has 4 divisors (see below), whose sum is σ = 2289169152. Its totient is φ = 1716876852.

The previous prime is 2003022941. The next prime is 2003023019. The reversal of 2003023001 is 1003203002.

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 2003023001 - 2¹⁴ = 2003006617 is a prime.

It is a super-2 number, since 2×2003023001² = 8024202285070092002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2003023021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143073065 + ... + 143073078.

It is an arithmetic number, because the mean of its divisors is an integer number (572292288).

Almost surely, 2^2003023001 is an apocalyptic number.

It is an amenable number.

2003023001 is a deficient number, since it is larger than the sum of its proper divisors (286146151).

2003023001 is an equidigital number, since it uses as much as digits as its factorization.

2003023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286146150.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2003023001 is about 44755.1449668080. The cubic root of 2003023001 is about 1260.5555207668. Note that the first 4 decimals are identical.

Adding to 2003023001 its reverse (1003203002), we get a palindrome (3006226003).

The spelling of 2003023001 in words is "two billion, three million, twenty-three thousand, one".