23031243 has 16 divisors (see below), whose sum is σ = 36128160. Its totient is φ = 14450688.

The previous prime is 23031227. The next prime is 23031247. The reversal of 23031243 is 34213032.

It is not a de Polignac number, because 23031243 - 2⁴ = 23031227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23031247) 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, 24630 + ... + 25547.

It is an arithmetic number, because the mean of its divisors is an integer number (2258010).

Almost surely, 2^23031243 is an apocalyptic number.

23031243 is a deficient number, since it is larger than the sum of its proper divisors (13096917).

23031243 is a wasteful number, since it uses less digits than its factorization.

23031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50203 (or 50197 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23031243 is about 4799.0877258079. The cubic root of 23031243 is about 284.5154091952.

Adding to 23031243 its reverse (34213032), we get a palindrome (57244275).

The spelling of 23031243 in words is "twenty-three million, thirty-one thousand, two hundred forty-three".