431342323 has 2 divisors, whose sum is σ = 431342324. Its totient is φ = 431342322.

The previous prime is 431342293. The next prime is 431342341. The reversal of 431342323 is 323243134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431342323 - 2¹³ = 431334131 is a prime.

It is a super-2 number, since 2×431342323² = 372112399222072658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (431342363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215671161 + 215671162.

It is an arithmetic number, because the mean of its divisors is an integer number (215671162).

Almost surely, 2^431342323 is an apocalyptic number.

431342323 is a deficient number, since it is larger than the sum of its proper divisors (1).

431342323 is an equidigital number, since it uses as much as digits as its factorization.

431342323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 25.

The square root of 431342323 is about 20768.7824149612. The cubic root of 431342323 is about 755.5688142193.

Adding to 431342323 its reverse (323243134), we get a palindrome (754585457).

The spelling of 431342323 in words is "four hundred thirty-one million, three hundred forty-two thousand, three hundred twenty-three".