200431323 has 24 divisors (see below), whose sum is σ = 305510400. Its totient is φ = 126272304.

The previous prime is 200431321. The next prime is 200431339. The reversal of 200431323 is 323134002.

200431323 is a `hidden beast` number, since 200 + 431 + 32 + 3 = 666.

It is not a de Polignac number, because 200431323 - 2¹ = 200431321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200431296 and 200431305.

It is not an unprimeable number, because it can be changed into a prime (200431321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80686 + ... + 83132.

It is an arithmetic number, because the mean of its divisors is an integer number (12729600).

Almost surely, 2^200431323 is an apocalyptic number.

200431323 is a deficient number, since it is larger than the sum of its proper divisors (105079077).

200431323 is a wasteful number, since it uses less digits than its factorization.

200431323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2948 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 200431323 is about 14157.3769816305. The cubic root of 200431323 is about 585.2236444924.

Adding to 200431323 its reverse (323134002), we get a palindrome (523565325).

The spelling of 200431323 in words is "two hundred million, four hundred thirty-one thousand, three hundred twenty-three".