431309323 has 8 divisors (see below), whose sum is σ = 433198080. Its totient is φ = 429425640.

The previous prime is 431309321. The next prime is 431309327. The reversal of 431309323 is 323903134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431309323 - 2¹ = 431309321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431309291 and 431309300.

It is not an unprimeable number, because it can be changed into a prime (431309321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301536 + ... + 302962.

It is an arithmetic number, because the mean of its divisors is an integer number (54149760).

Almost surely, 2^431309323 is an apocalyptic number.

431309323 is a deficient number, since it is larger than the sum of its proper divisors (1888757).

431309323 is a wasteful number, since it uses less digits than its factorization.

431309323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 431309323 is about 20767.9879381706. The cubic root of 431309323 is about 755.5495453730.

The spelling of 431309323 in words is "four hundred thirty-one million, three hundred nine thousand, three hundred twenty-three".