231323 has 2 divisors, whose sum is σ = 231324.
Its totient is φ = 231322.
The previous prime is 231317. The next prime is 231331. The reversal of 231323 is 323132.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 231323 - 28 = 231067 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 231298 and 231307.
It is not a weakly prime, because it can be changed into another prime (231223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661 + 115662.
It is an arithmetic number, because the mean of its divisors is an integer number (115662).
2231323 is an apocalyptic number.
231323 is a deficient number, since it is larger than the sum of its proper divisors (1).
231323 is an equidigital number, since it uses as much as digits as its factorization.
231323 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 108, while the sum is 14.
The square root of 231323 is about 480.9604973384.
The cubic root of 231323 is about 61.3865093598.
Adding to 231323 its reverse (323132), we get a palindrome (554455).
Subtracting 231323 from its reverse (323132), we obtain a square (91809 = 3032).
It can be divided in two parts, 23132 and 3, that multiplied together give a palindrome (69396).
The spelling of 231323 in words is "two hundred thirty-one thousand, three hundred twenty-three".