23227047 has 16 divisors (see below), whose sum is σ = 34522080. Its totient is φ = 15434496.

The previous prime is 23227013. The next prime is 23227093. The reversal of 23227047 is 74072232.

It is not a de Polignac number, because 23227047 - 2¹⁹ = 22702759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 23227047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23227007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8313 + ... + 10749.

It is an arithmetic number, because the mean of its divisors is an integer number (2157630).

Almost surely, 2^23227047 is an apocalyptic number.

23227047 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23227047 is a deficient number, since it is larger than the sum of its proper divisors (11295033).

23227047 is a wasteful number, since it uses less digits than its factorization.

23227047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 23227047 is about 4819.4446775536. Note that the first 3 decimals coincide. The cubic root of 23227047 is about 285.3194202620.

Adding to 23227047 its reverse (74072232), we get a palindrome (97299279).

The spelling of 23227047 in words is "twenty-three million, two hundred twenty-seven thousand, forty-seven".