2000143321 has 4 divisors (see below), whose sum is σ = 2181974544. Its totient is φ = 1818312100.

The previous prime is 2000143307. The next prime is 2000143337. The reversal of 2000143321 is 1233410002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-2000143321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000143295 and 2000143304.

It is not an unprimeable number, because it can be changed into a prime (2000141321) 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, 90915595 + ... + 90915616.

It is an arithmetic number, because the mean of its divisors is an integer number (545493636).

Almost surely, 2^2000143321 is an apocalyptic number.

It is an amenable number.

2000143321 is a deficient number, since it is larger than the sum of its proper divisors (181831223).

2000143321 is a wasteful number, since it uses less digits than its factorization.

2000143321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181831222.

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

The square root of 2000143321 is about 44722.9618987830. The cubic root of 2000143321 is about 1259.9511447001.

Adding to 2000143321 its reverse (1233410002), we get a palindrome (3233553323).

The spelling of 2000143321 in words is "two billion, one hundred forty-three thousand, three hundred twenty-one".