423361645 has 8 divisors (see below), whose sum is σ = 580610304. Its totient is φ = 290305104.

The previous prime is 423361607. The next prime is 423361649. The reversal of 423361645 is 546163324.

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 423361645 - 2¹⁷ = 423230573 is a prime.

It is a super-3 number, since 3×423361645³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423361645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423361649) 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 in 7 ways as a sum of consecutive naturals, for example, 6047989 + ... + 6048058.

It is an arithmetic number, because the mean of its divisors is an integer number (72576288).

Almost surely, 2^423361645 is an apocalyptic number.

It is an amenable number.

423361645 is a deficient number, since it is larger than the sum of its proper divisors (157248659).

423361645 is a wasteful number, since it uses less digits than its factorization.

423361645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096059.

The product of its digits is 51840, while the sum is 34.

The square root of 423361645 is about 20575.7538136516. The cubic root of 423361645 is about 750.8799420138.

The spelling of 423361645 in words is "four hundred twenty-three million, three hundred sixty-one thousand, six hundred forty-five".