200431234423 has 4 divisors (see below), whose sum is σ = 229064267920. Its totient is φ = 171798200928.

The previous prime is 200431234411. The next prime is 200431234427. The reversal of 200431234423 is 324432134002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324432134002 = 2 ⋅162216067001.

It is a cyclic number.

It is not a de Polignac number, because 200431234423 - 2⁵ = 200431234391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200431234391 and 200431234400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200431234427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14316516738 + ... + 14316516751.

It is an arithmetic number, because the mean of its divisors is an integer number (57266066980).

Almost surely, 2^200431234423 is an apocalyptic number.

200431234423 is a deficient number, since it is larger than the sum of its proper divisors (28633033497).

200431234423 is an equidigital number, since it uses as much as digits as its factorization.

200431234423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28633033496.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 200431234423 its reverse (324432134002), we get a palindrome (524863368425).

The spelling of 200431234423 in words is "two hundred billion, four hundred thirty-one million, two hundred thirty-four thousand, four hundred twenty-three".