200111323 has 4 divisors (see below), whose sum is σ = 202852648. Its totient is φ = 197370000.

The previous prime is 200111311. The next prime is 200111333. The reversal of 200111323 is 323111002.

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 200111323 - 2²¹ = 198014171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200111333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370553 + ... + 1370698.

It is an arithmetic number, because the mean of its divisors is an integer number (50713162).

Almost surely, 2^200111323 is an apocalyptic number.

200111323 is a deficient number, since it is larger than the sum of its proper divisors (2741325).

200111323 is an equidigital number, since it uses as much as digits as its factorization.

200111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741324.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 200111323 is about 14146.0709386034. The cubic root of 200111323 is about 584.9120309928.

Adding to 200111323 its reverse (323111002), we get a palindrome (523222325).

The spelling of 200111323 in words is "two hundred million, one hundred eleven thousand, three hundred twenty-three".