200000923 has 4 divisors (see below), whose sum is σ = 200037040. Its totient is φ = 199964808.

The previous prime is 200000917. The next prime is 200000929. The reversal of 200000923 is 329000002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329000002 = 2 ⋅164500001.

It is an interprime number because it is at equal distance from previous prime (200000917) and next prime (200000929).

It is a cyclic number.

It is not a de Polignac number, because 200000923 - 2⁵ = 200000891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200000897 and 200000906.

It is not an unprimeable number, because it can be changed into a prime (200000929) 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, 7815 + ... + 21472.

It is an arithmetic number, because the mean of its divisors is an integer number (50009260).

Almost surely, 2^200000923 is an apocalyptic number.

200000923 is a deficient number, since it is larger than the sum of its proper divisors (36117).

200000923 is an equidigital number, since it uses as much as digits as its factorization.

200000923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36116.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 200000923 is about 14142.1682566713. The cubic root of 200000923 is about 584.8044472640.

Adding to 200000923 its reverse (329000002), we get a palindrome (529000925).

The spelling of 200000923 in words is "two hundred million, nine hundred twenty-three", and thus it is an aban number.