423000847 has 4 divisors (see below), whose sum is σ = 432838120. Its totient is φ = 413163576.

The previous prime is 423000841. The next prime is 423000863. The reversal of 423000847 is 748000324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423000847 - 2¹⁵ = 422968079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423000841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4918572 + ... + 4918657.

It is an arithmetic number, because the mean of its divisors is an integer number (108209530).

Almost surely, 2^423000847 is an apocalyptic number.

423000847 is a deficient number, since it is larger than the sum of its proper divisors (9837273).

423000847 is an equidigital number, since it uses as much as digits as its factorization.

423000847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9837272.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 423000847 is about 20566.9843924675. The cubic root of 423000847 is about 750.6665759857. Note that the first 3 decimals are identical.

The spelling of 423000847 in words is "four hundred twenty-three million, eight hundred forty-seven", and thus it is an aban number.