423745 has 8 divisors (see below), whose sum is σ = 581184. Its totient is φ = 290544.

The previous prime is 423727. The next prime is 423749. The reversal of 423745 is 547324.

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 423745 - 2⁵ = 423713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6019 + ... + 6088.

It is an arithmetic number, because the mean of its divisors is an integer number (72648).

2⁴²³⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

423745 is a deficient number, since it is larger than the sum of its proper divisors (157439).

423745 is a wasteful number, since it uses less digits than its factorization.

423745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119.

The product of its digits is 3360, while the sum is 25.

The square root of 423745 is about 650.9569878264. The cubic root of 423745 is about 75.1106514845.

The spelling of 423745 in words is "four hundred twenty-three thousand, seven hundred forty-five".