2001002321233 has 8 divisors (see below), whose sum is σ = 2011199604480. Its totient is φ = 1990805441520.

The previous prime is 2001002321221. The next prime is 2001002321281. The reversal of 2001002321233 is 3321232001002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001002321233 - 2⁹ = 2001002320721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2001002321233.

It is not an unprimeable number, because it can be changed into a prime (2001002321033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19706688 + ... + 19807966.

It is an arithmetic number, because the mean of its divisors is an integer number (251399950560).

Almost surely, 2^{2001002321233} is an apocalyptic number.

It is an amenable number.

2001002321233 is a deficient number, since it is larger than the sum of its proper divisors (10197283247).

2001002321233 is a wasteful number, since it uses less digits than its factorization.

2001002321233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201767.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2001002321233 its reverse (3321232001002), we get a palindrome (5322234322235).

The spelling of 2001002321233 in words is "two trillion, one billion, two million, three hundred twenty-one thousand, two hundred thirty-three".