423147 has 8 divisors (see below), whose sum is σ = 597456. Its totient is φ = 265472.

The previous prime is 423133. The next prime is 423173. The reversal of 423147 is 741324.

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

It is not a de Polignac number, because 423147 - 2⁶ = 423083 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423147.

It is not an unprimeable number, because it can be changed into a prime (423127) 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, 4098 + ... + 4199.

It is an arithmetic number, because the mean of its divisors is an integer number (74682).

2⁴²³¹⁴⁷ is an apocalyptic number.

423147 is a deficient number, since it is larger than the sum of its proper divisors (174309).

423147 is a wasteful number, since it uses less digits than its factorization.

423147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8317.

The product of its digits is 672, while the sum is 21.

The square root of 423147 is about 650.4975019168. The cubic root of 423147 is about 75.0753021470.

It can be divided in two parts, 4231 and 47, that added together give a triangular number (4278 = T₉₂).

The spelling of 423147 in words is "four hundred twenty-three thousand, one hundred forty-seven", and thus it is an iban number.