423280445 has 8 divisors (see below), whose sum is σ = 580498944. Its totient is φ = 290249424.

The previous prime is 423280439. The next prime is 423280469. The reversal of 423280445 is 544082324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423280445 - 2⁶ = 423280381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6046829 + ... + 6046898.

It is an arithmetic number, because the mean of its divisors is an integer number (72562368).

Almost surely, 2^423280445 is an apocalyptic number.

It is an amenable number.

423280445 is a deficient number, since it is larger than the sum of its proper divisors (157218499).

423280445 is a wasteful number, since it uses less digits than its factorization.

423280445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093739.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 423280445 is about 20573.7805227916. The cubic root of 423280445 is about 750.8319331381.

The spelling of 423280445 in words is "four hundred twenty-three million, two hundred eighty thousand, four hundred forty-five".