200220123 has 4 divisors (see below), whose sum is σ = 266960168. Its totient is φ = 133480080.

The previous prime is 200220121. The next prime is 200220127. The reversal of 200220123 is 321022002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 200220123 - 2¹ = 200220121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200220099 and 200220108.

It is not an unprimeable number, because it can be changed into a prime (200220121) 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, 33370018 + ... + 33370023.

It is an arithmetic number, because the mean of its divisors is an integer number (66740042).

Almost surely, 2^200220123 is an apocalyptic number.

200220123 is a deficient number, since it is larger than the sum of its proper divisors (66740045).

200220123 is an equidigital number, since it uses as much as digits as its factorization.

200220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66740044.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 200220123 is about 14149.9160068178. The cubic root of 200220123 is about 585.0180168313.

Adding to 200220123 its reverse (321022002), we get a palindrome (521242125).

The spelling of 200220123 in words is "two hundred million, two hundred twenty thousand, one hundred twenty-three".