200100023 has 4 divisors (see below), whose sum is σ = 208800048. Its totient is φ = 191400000.

The previous prime is 200100007. The next prime is 200100031. The reversal of 200100023 is 320001002.

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 200100023 - 2⁴ = 200100007 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 (200100053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4349978 + ... + 4350023.

It is an arithmetic number, because the mean of its divisors is an integer number (52200012).

Almost surely, 2^200100023 is an apocalyptic number.

200100023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

200100023 is a deficient number, since it is larger than the sum of its proper divisors (8700025).

200100023 is an equidigital number, since it uses as much as digits as its factorization.

200100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700024.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 200100023 is about 14145.6715287752. The cubic root of 200100023 is about 584.9010210705.

Adding to 200100023 its reverse (320001002), we get a palindrome (520101025).

The spelling of 200100023 in words is "two hundred million, one hundred thousand, twenty-three".