423280303 has 2 divisors, whose sum is σ = 423280304. Its totient is φ = 423280302.

The previous prime is 423280301. The next prime is 423280343. The reversal of 423280303 is 303082324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423280303 - 2¹ = 423280301 is a prime.

Together with 423280301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423280301) 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, 211640151 + 211640152.

It is an arithmetic number, because the mean of its divisors is an integer number (211640152).

Almost surely, 2^423280303 is an apocalyptic number.

423280303 is a deficient number, since it is larger than the sum of its proper divisors (1).

423280303 is an equidigital number, since it uses as much as digits as its factorization.

423280303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 423280303 is about 20573.7770717970. Note that the first 3 decimals coincide. The cubic root of 423280303 is about 750.8318491763.

The spelling of 423280303 in words is "four hundred twenty-three million, two hundred eighty thousand, three hundred three".