4647823 has 2 divisors, whose sum is σ = 4647824. Its totient is φ = 4647822.

The previous prime is 4647809. The next prime is 4647871. The reversal of 4647823 is 3287464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4647823 - 2⁵ = 4647791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4647893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323911 + 2323912.

It is an arithmetic number, because the mean of its divisors is an integer number (2323912).

Almost surely, 2^4647823 is an apocalyptic number.

4647823 is a deficient number, since it is larger than the sum of its proper divisors (1).

4647823 is an equidigital number, since it uses as much as digits as its factorization.

4647823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 4647823 is about 2155.8810264020. The cubic root of 4647823 is about 166.8847017509.

The spelling of 4647823 in words is "four million, six hundred forty-seven thousand, eight hundred twenty-three".