23447005 has 16 divisors (see below), whose sum is σ = 30311424. Its totient is φ = 17360640.

The previous prime is 23446999. The next prime is 23447009. The reversal of 23447005 is 50074432.

It is a de Polignac number, because none of the positive numbers 2^k-23447005 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23447009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277 + ... + 6853.

It is an arithmetic number, because the mean of its divisors is an integer number (1894464).

Almost surely, 2^23447005 is an apocalyptic number.

It is an amenable number.

23447005 is a deficient number, since it is larger than the sum of its proper divisors (6864419).

23447005 is a wasteful number, since it uses less digits than its factorization.

23447005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 23447005 is about 4842.2107554298. The cubic root of 23447005 is about 286.2172416636.

The spelling of 23447005 in words is "twenty-three million, four hundred forty-seven thousand, five".