23000047 has 16 divisors (see below), whose sum is σ = 27482112. Its totient is φ = 18833760.

The previous prime is 23000027. The next prime is 23000059. The reversal of 23000047 is 74000032.

It is a cyclic number.

It is not a de Polignac number, because 23000047 - 2⁷ = 22999919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17373 + ... + 18649.

It is an arithmetic number, because the mean of its divisors is an integer number (1717632).

Almost surely, 2^23000047 is an apocalyptic number.

23000047 is a deficient number, since it is larger than the sum of its proper divisors (4482065).

23000047 is a wasteful number, since it uses less digits than its factorization.

23000047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 23000047 is about 4795.8364233989. The cubic root of 23000047 is about 284.3868916977.

Adding to 23000047 its reverse (74000032), we get a palindrome (97000079).

The spelling of 23000047 in words is "twenty-three million, forty-seven", and thus it is an aban number and an uban number.