431101323 has 6 divisors (see below), whose sum is σ = 622701924. Its totient is φ = 287400876.

The previous prime is 431101313. The next prime is 431101331. The reversal of 431101323 is 323101134.

It is not a de Polignac number, because 431101323 - 2⁵ = 431101291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431101296 and 431101305.

It is not an unprimeable number, because it can be changed into a prime (431101303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23950065 + ... + 23950082.

It is an arithmetic number, because the mean of its divisors is an integer number (103783654).

Almost surely, 2^431101323 is an apocalyptic number.

431101323 is a deficient number, since it is larger than the sum of its proper divisors (191600601).

431101323 is a wasteful number, since it uses less digits than its factorization.

431101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47900153 (or 47900150 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 431101323 is about 20762.9796272115. The cubic root of 431101323 is about 755.4280706243.

Adding to 431101323 its reverse (323101134), we get a palindrome (754202457).

The spelling of 431101323 in words is "four hundred thirty-one million, one hundred one thousand, three hundred twenty-three".