40847223 has 24 divisors (see below), whose sum is σ = 57511024. Its totient is φ = 25764480.

The previous prime is 40847197. The next prime is 40847227. The reversal of 40847223 is 32274804.

It is not a de Polignac number, because 40847223 - 2⁶ = 40847159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40847227) 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 23 ways as a sum of consecutive naturals, for example, 559515 + ... + 559587.

Almost surely, 2^40847223 is an apocalyptic number.

40847223 is a deficient number, since it is larger than the sum of its proper divisors (16663801).

40847223 is an equidigital number, since it uses as much as digits as its factorization.

40847223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 40847223 is about 6391.1832237857. The cubic root of 40847223 is about 344.3928915291.

The spelling of 40847223 in words is "forty million, eight hundred forty-seven thousand, two hundred twenty-three".