423443323 has 2 divisors, whose sum is σ = 423443324. Its totient is φ = 423443322.

The previous prime is 423443269. The next prime is 423443333. The reversal of 423443323 is 323344324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423443323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423443291 and 423443300.

It is not a weakly prime, because it can be changed into another prime (423443333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211721661 + 211721662.

It is an arithmetic number, because the mean of its divisors is an integer number (211721662).

Almost surely, 2^423443323 is an apocalyptic number.

423443323 is a deficient number, since it is larger than the sum of its proper divisors (1).

423443323 is an equidigital number, since it uses as much as digits as its factorization.

423443323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 28.

The square root of 423443323 is about 20577.7385297802. The cubic root of 423443323 is about 750.9282273107.

Adding to 423443323 its reverse (323344324), we get a palindrome (746787647).

The spelling of 423443323 in words is "four hundred twenty-three million, four hundred forty-three thousand, three hundred twenty-three".