200623 has 4 divisors (see below), whose sum is σ = 201520. Its totient is φ = 199728.

The previous prime is 200609. The next prime is 200639. The reversal of 200623 is 326002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 200623 - 2⁵ = 200591 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 (200023) 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, 211 + ... + 667.

It is an arithmetic number, because the mean of its divisors is an integer number (50380).

2²⁰⁰⁶²³ is an apocalyptic number.

200623 is a deficient number, since it is larger than the sum of its proper divisors (897).

200623 is an equidigital number, since it uses as much as digits as its factorization.

200623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 200623 is about 447.9095890914. The cubic root of 200623 is about 58.5410139251.

Adding to 200623 its reverse (326002), we get a palindrome (526625).

The spelling of 200623 in words is "two hundred thousand, six hundred twenty-three".