200200023 has 24 divisors (see below), whose sum is σ = 292680960. Its totient is φ = 131861520.

The previous prime is 200200019. The next prime is 200200031. The reversal of 200200023 is 320002002.

It is not a de Polignac number, because 200200023 - 2² = 200200019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200199978 and 200200014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350328 + ... + 350898.

It is an arithmetic number, because the mean of its divisors is an integer number (12195040).

Almost surely, 2^200200023 is an apocalyptic number.

200200023 is a deficient number, since it is larger than the sum of its proper divisors (92480937).

200200023 is a wasteful number, since it uses less digits than its factorization.

200200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 200200023 is about 14149.2057374257. The cubic root of 200200023 is about 584.9984396189.

Adding to 200200023 its reverse (320002002), we get a palindrome (520202025).

The spelling of 200200023 in words is "two hundred million, two hundred thousand, twenty-three".