200432423 has 4 divisors (see below), whose sum is σ = 200702928. Its totient is φ = 200161920.

The previous prime is 200432399. The next prime is 200432471. The reversal of 200432423 is 324234002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324234002 = 2 ⋅162117001.

It is a cyclic number.

It is not a de Polignac number, because 200432423 - 2⁶ = 200432359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200432395 and 200432404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200432483) 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, 134138 + ... + 135623.

It is an arithmetic number, because the mean of its divisors is an integer number (50175732).

Almost surely, 2^200432423 is an apocalyptic number.

200432423 is a deficient number, since it is larger than the sum of its proper divisors (270505).

200432423 is an equidigital number, since it uses as much as digits as its factorization.

200432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270504.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 200432423 is about 14157.4158305815. The cubic root of 200432423 is about 585.2247150916.

Adding to 200432423 its reverse (324234002), we get a palindrome (524666425).

The spelling of 200432423 in words is "two hundred million, four hundred thirty-two thousand, four hundred twenty-three".