23242247 has 12 divisors (see below), whose sum is σ = 28219440. Its totient is φ = 18748416.

The previous prime is 23242223. The next prime is 23242273. The reversal of 23242247 is 74224232.

It is not a de Polignac number, because 23242247 - 2⁶ = 23242183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3722 + ... + 7767.

It is an arithmetic number, because the mean of its divisors is an integer number (2351620).

Almost surely, 2^23242247 is an apocalyptic number.

23242247 is a deficient number, since it is larger than the sum of its proper divisors (4977193).

23242247 is a wasteful number, since it uses less digits than its factorization.

23242247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11530 (or 11513 counting only the distinct ones).

The product of its digits is 5376, while the sum is 26.

The square root of 23242247 is about 4821.0213648147. The cubic root of 23242247 is about 285.3816452693.

Adding to 23242247 its reverse (74224232), we get a palindrome (97466479).

The spelling of 23242247 in words is "twenty-three million, two hundred forty-two thousand, two hundred forty-seven".