200023423 has 2 divisors, whose sum is σ = 200023424. Its totient is φ = 200023422.

The previous prime is 200023391. The next prime is 200023451. The reversal of 200023423 is 324320002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200023423 - 2⁵ = 200023391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200023397 and 200023406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200023123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100011711 + 100011712.

It is an arithmetic number, because the mean of its divisors is an integer number (100011712).

Almost surely, 2^200023423 is an apocalyptic number.

200023423 is a deficient number, since it is larger than the sum of its proper divisors (1).

200023423 is an equidigital number, since it uses as much as digits as its factorization.

200023423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 200023423 is about 14142.9637275926. The cubic root of 200023423 is about 584.8263765072.

Adding to 200023423 its reverse (324320002), we get a palindrome (524343425).

The spelling of 200023423 in words is "two hundred million, twenty-three thousand, four hundred twenty-three".