2000001232321 has 12 divisors (see below), whose sum is σ = 2129300700300. Its totient is φ = 1878161653760.

The previous prime is 2000001232319. The next prime is 2000001232343. The reversal of 2000001232321 is 1232321000002.

It can be written as a sum of positive squares in 6 ways, for example, as 902161296 + 1999099071025 = 30036^2 + 1413895^2 .

It is not a de Polignac number, because 2000001232321 - 2¹ = 2000001232319 is a prime.

It is a super-3 number, since 3×2000001232321³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000001232295 and 2000001232304.

It is not an unprimeable number, because it can be changed into a prime (2000001232391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7576720 + ... + 7836241.

It is an arithmetic number, because the mean of its divisors is an integer number (177441725025).

Almost surely, 2^{2000001232321} is an apocalyptic number.

It is an amenable number.

2000001232321 is a deficient number, since it is larger than the sum of its proper divisors (129299467979).

2000001232321 is a wasteful number, since it uses less digits than its factorization.

2000001232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15413444 (or 15413427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2000001232321 its reverse (1232321000002), we get a palindrome (3232322232323).

It can be divided in two parts, 2000001 and 232321, that added together give a palindrome (2232322).

The spelling of 2000001232321 in words is "two trillion, one million, two hundred thirty-two thousand, three hundred twenty-one".