431231323 has 8 divisors (see below), whose sum is σ = 433006560. Its totient is φ = 429460800.

The previous prime is 431231321. The next prime is 431231327. The reversal of 431231323 is 323132134.

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 431231323 - 2¹ = 431231321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431231294 and 431231303.

It is not an unprimeable number, because it can be changed into a prime (431231321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388293 + ... + 389401.

It is an arithmetic number, because the mean of its divisors is an integer number (54125820).

Almost surely, 2^431231323 is an apocalyptic number.

431231323 is a deficient number, since it is larger than the sum of its proper divisors (1775237).

431231323 is a wasteful number, since it uses less digits than its factorization.

431231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357.

The product of its digits is 1296, while the sum is 22.

The square root of 431231323 is about 20766.1099631106. The cubic root of 431231323 is about 755.5039969199.

Adding to 431231323 its reverse (323132134), we get a palindrome (754363457).

The spelling of 431231323 in words is "four hundred thirty-one million, two hundred thirty-one thousand, three hundred twenty-three".