200001323 has 4 divisors (see below), whose sum is σ = 200632560. Its totient is φ = 199370088.

The previous prime is 200001283. The next prime is 200001337. The reversal of 200001323 is 323100002.

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 200001323 - 2⁶ = 200001259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200001343) 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, 315143 + ... + 315776.

It is an arithmetic number, because the mean of its divisors is an integer number (50158140).

Almost surely, 2^200001323 is an apocalyptic number.

200001323 is a deficient number, since it is larger than the sum of its proper divisors (631237).

200001323 is an equidigital number, since it uses as much as digits as its factorization.

200001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631236.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 200001323 is about 14142.1823987672. The cubic root of 200001323 is about 584.8048371316.

Adding to 200001323 its reverse (323100002), we get a palindrome (523101325).

The spelling of 200001323 in words is "two hundred million, one thousand, three hundred twenty-three".