23000247 has 16 divisors (see below), whose sum is σ = 34272000. Its totient is φ = 15244632.

The previous prime is 23000189. The next prime is 23000261. The reversal of 23000247 is 74200032.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23000247 is a prime.

It is a super-2 number, since 2×23000247² = 1058022724122018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000287) 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 15 ways as a sum of consecutive naturals, for example, 2454 + ... + 7212.

It is an arithmetic number, because the mean of its divisors is an integer number (2142000).

Almost surely, 2^23000247 is an apocalyptic number.

23000247 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23000247 is a deficient number, since it is larger than the sum of its proper divisors (11271753).

23000247 is a wasteful number, since it uses less digits than its factorization.

23000247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4947 (or 4941 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 23000247 is about 4795.8572747737. The cubic root of 23000247 is about 284.3877160035.

Adding to 23000247 its reverse (74200032), we get a palindrome (97200279).

The spelling of 23000247 in words is "twenty-three million, two hundred forty-seven", and thus it is an aban number.