434721323 has 2 divisors, whose sum is σ = 434721324. Its totient is φ = 434721322.

The previous prime is 434721247. The next prime is 434721337. The reversal of 434721323 is 323127434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434721323 - 2¹⁶ = 434655787 is a prime.

It is not a weakly prime, because it can be changed into another prime (434721373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217360661 + 217360662.

It is an arithmetic number, because the mean of its divisors is an integer number (217360662).

Almost surely, 2^434721323 is an apocalyptic number.

434721323 is a deficient number, since it is larger than the sum of its proper divisors (1).

434721323 is an equidigital number, since it uses as much as digits as its factorization.

434721323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 29.

The square root of 434721323 is about 20849.9717745612. The cubic root of 434721323 is about 757.5366474299.

Adding to 434721323 its reverse (323127434), we get a palindrome (757848757).

The spelling of 434721323 in words is "four hundred thirty-four million, seven hundred twenty-one thousand, three hundred twenty-three".