423387845 has 8 divisors (see below), whose sum is σ = 508524576. Its totient is φ = 338404176.

The previous prime is 423387803. The next prime is 423387871. The reversal of 423387845 is 548783324.

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 423387845 - 2¹⁸ = 423125701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423387796 and 423387805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32087 + ... + 43316.

It is an arithmetic number, because the mean of its divisors is an integer number (63565572).

Almost surely, 2^423387845 is an apocalyptic number.

It is an amenable number.

423387845 is a deficient number, since it is larger than the sum of its proper divisors (85136731).

423387845 is a wasteful number, since it uses less digits than its factorization.

423387845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76531.

The product of its digits is 645120, while the sum is 44.

The square root of 423387845 is about 20576.3904754940. The cubic root of 423387845 is about 750.8954312524.

The spelling of 423387845 in words is "four hundred twenty-three million, three hundred eighty-seven thousand, eight hundred forty-five".