200423101 has 2 divisors, whose sum is σ = 200423102. Its totient is φ = 200423100.

The previous prime is 200423099. The next prime is 200423123. The reversal of 200423101 is 101324002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146047225 + 54375876 = 12085^2 + 7374^2 .

It is a cyclic number.

It is not a de Polignac number, because 200423101 - 2¹ = 200423099 is a prime.

Together with 200423099, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200423141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100211550 + 100211551.

It is an arithmetic number, because the mean of its divisors is an integer number (100211551).

Almost surely, 2^200423101 is an apocalyptic number.

It is an amenable number.

200423101 is a deficient number, since it is larger than the sum of its proper divisors (1).

200423101 is an equidigital number, since it uses as much as digits as its factorization.

200423101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 200423101 is about 14157.0866000035. The cubic root of 200423101 is about 585.2156421261.

Adding to 200423101 its reverse (101324002), we get a palindrome (301747103).

Subtracting from 200423101 its reverse (101324002), we obtain a palindrome (99099099).

The spelling of 200423101 in words is "two hundred million, four hundred twenty-three thousand, one hundred one".