200321000143 has 4 divisors (see below), whose sum is σ = 218532000168. Its totient is φ = 182110000120.

The previous prime is 200321000129. The next prime is 200321000147. The reversal of 200321000143 is 341000123002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 200321000143 - 2⁵ = 200321000111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200321000147) 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, 9105499996 + ... + 9105500017.

It is an arithmetic number, because the mean of its divisors is an integer number (54633000042).

Almost surely, 2^200321000143 is an apocalyptic number.

200321000143 is a deficient number, since it is larger than the sum of its proper divisors (18211000025).

200321000143 is a wasteful number, since it uses less digits than its factorization.

200321000143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18211000024.

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

Adding to 200321000143 its reverse (341000123002), we get a palindrome (541321123145).

The spelling of 200321000143 in words is "two hundred billion, three hundred twenty-one million, one hundred forty-three", and thus it is an aban number.