2001232232023 has 4 divisors (see below), whose sum is σ = 2011288675600. Its totient is φ = 1991175788448.

The previous prime is 2001232232017. The next prime is 2001232232033. The reversal of 2001232232023 is 3202322321002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001232232023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001232231985 and 2001232232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001232232033) 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, 5028221490 + ... + 5028221887.

It is an arithmetic number, because the mean of its divisors is an integer number (502822168900).

Almost surely, 2^{2001232232023} is an apocalyptic number.

2001232232023 is a deficient number, since it is larger than the sum of its proper divisors (10056443577).

2001232232023 is a wasteful number, since it uses less digits than its factorization.

2001232232023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056443576.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 2001232232023 its reverse (3202322321002), we get a palindrome (5203554553025).

The spelling of 2001232232023 in words is "two trillion, one billion, two hundred thirty-two million, two hundred thirty-two thousand, twenty-three".