23041243 has 4 divisors (see below), whose sum is σ = 24253960. Its totient is φ = 21828528.

The previous prime is 23041223. The next prime is 23041247. The reversal of 23041243 is 34214032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23041243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1212697 = 23041243 / (2 + 3 + 0 + 4 + 1 + 2 + 4 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23041243.

It is not an unprimeable number, because it can be changed into a prime (23041247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606330 + ... + 606367.

It is an arithmetic number, because the mean of its divisors is an integer number (6063490).

Almost surely, 2^23041243 is an apocalyptic number.

23041243 is a deficient number, since it is larger than the sum of its proper divisors (1212717).

23041243 is a wasteful number, since it uses less digits than its factorization.

23041243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212716.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23041243 is about 4800.1294774204. The cubic root of 23041243 is about 284.5565814181.

Adding to 23041243 its reverse (34214032), we get a palindrome (57255275).

The spelling of 23041243 in words is "twenty-three million, forty-one thousand, two hundred forty-three".