2001323132323 has 8 divisors (see below), whose sum is σ = 2006018514000. Its totient is φ = 1996628809728.

The previous prime is 2001323132309. The next prime is 2001323132339. The reversal of 2001323132323 is 3232313231002.

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 2001323132323 - 2²⁵ = 2001289577891 is a prime.

It is a super-2 number, since 2×2001323132323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001323132383) 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, 3584523 + ... + 4105051.

It is an arithmetic number, because the mean of its divisors is an integer number (250752314250).

Almost surely, 2^{2001323132323} is an apocalyptic number.

2001323132323 is a deficient number, since it is larger than the sum of its proper divisors (4695381677).

2001323132323 is an equidigital number, since it uses as much as digits as its factorization.

2001323132323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529541.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 2001323132323 its reverse (3232313231002), we get a palindrome (5233636363325).

The spelling of 2001323132323 in words is "two trillion, one billion, three hundred twenty-three million, one hundred thirty-two thousand, three hundred twenty-three".