434223901 has 2 divisors, whose sum is σ = 434223902. Its totient is φ = 434223900.

The previous prime is 434223899. The next prime is 434223917. The reversal of 434223901 is 109322434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292375801 + 141848100 = 17099^2 + 11910^2 .

It is a cyclic number.

It is not a de Polignac number, because 434223901 - 2¹ = 434223899 is a prime.

Together with 434223899, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 434223901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434223941) 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, 217111950 + 217111951.

It is an arithmetic number, because the mean of its divisors is an integer number (217111951).

Almost surely, 2^434223901 is an apocalyptic number.

It is an amenable number.

434223901 is a deficient number, since it is larger than the sum of its proper divisors (1).

434223901 is an equidigital number, since it uses as much as digits as its factorization.

434223901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 434223901 is about 20838.0397590560. The cubic root of 434223901 is about 757.2476046285.

The spelling of 434223901 in words is "four hundred thirty-four million, two hundred twenty-three thousand, nine hundred one".