431106323 has 2 divisors, whose sum is σ = 431106324. Its totient is φ = 431106322.

The previous prime is 431106311. The next prime is 431106331. The reversal of 431106323 is 323601134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431106323 - 2⁴ = 431106307 is a prime.

It is not a weakly prime, because it can be changed into another prime (431106353) 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 as a sum of consecutive naturals, namely, 215553161 + 215553162.

It is an arithmetic number, because the mean of its divisors is an integer number (215553162).

Almost surely, 2^431106323 is an apocalyptic number.

431106323 is a deficient number, since it is larger than the sum of its proper divisors (1).

431106323 is an equidigital number, since it uses as much as digits as its factorization.

431106323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 431106323 is about 20763.1000334728. The cubic root of 431106323 is about 755.4309911487.

Adding to 431106323 its reverse (323601134), we get a palindrome (754707457).

The spelling of 431106323 in words is "four hundred thirty-one million, one hundred six thousand, three hundred twenty-three".