2001423033 has 16 divisors (see below), whose sum is σ = 2970095040. Its totient is φ = 1332021312.

The previous prime is 2001423029. The next prime is 2001423037. The reversal of 2001423033 is 3303241002.

It is an interprime number because it is at equal distance from previous prime (2001423029) and next prime (2001423037).

It is not a de Polignac number, because 2001423033 - 2² = 2001423029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001422997 and 2001423015.

It is not an unprimeable number, because it can be changed into a prime (2001423037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46491 + ... + 78512.

It is an arithmetic number, because the mean of its divisors is an integer number (185630940).

Almost surely, 2^2001423033 is an apocalyptic number.

It is an amenable number.

2001423033 is a deficient number, since it is larger than the sum of its proper divisors (968672007).

2001423033 is a wasteful number, since it uses less digits than its factorization.

2001423033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125605 (or 125599 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2001423033 is about 44737.2667135577. The cubic root of 2001423033 is about 1260.2197972567.

Adding to 2001423033 its reverse (3303241002), we get a palindrome (5304664035).

The spelling of 2001423033 in words is "two billion, one million, four hundred twenty-three thousand, thirty-three".