423247 has 8 divisors (see below), whose sum is σ = 467280. Its totient is φ = 380160.

The previous prime is 423233. The next prime is 423251. The reversal of 423247 is 742324.

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

It is not a de Polignac number, because 423247 - 2¹⁵ = 390479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423257) 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, 1023 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (58410).

2⁴²³²⁴⁷ is an apocalyptic number.

423247 is a deficient number, since it is larger than the sum of its proper divisors (44033).

423247 is a wasteful number, since it uses less digits than its factorization.

423247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its digits is 1344, while the sum is 22.

The square root of 423247 is about 650.5743616221. The cubic root of 423247 is about 75.0812157254.

The spelling of 423247 in words is "four hundred twenty-three thousand, two hundred forty-seven", and thus it is an iban number.