23443243 has 2 divisors, whose sum is σ = 23443244. Its totient is φ = 23443242.

The previous prime is 23443241. The next prime is 23443249. The reversal of 23443243 is 34234432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23443243 - 2¹ = 23443241 is a prime.

Together with 23443241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23443241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721621 + 11721622.

It is an arithmetic number, because the mean of its divisors is an integer number (11721622).

Almost surely, 2^23443243 is an apocalyptic number.

23443243 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443243 is an equidigital number, since it uses as much as digits as its factorization.

23443243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 25.

The square root of 23443243 is about 4841.8222809186. The cubic root of 23443243 is about 286.2019332855.

Adding to 23443243 its reverse (34234432), we get a palindrome (57677675).

The spelling of 23443243 in words is "twenty-three million, four hundred forty-three thousand, two hundred forty-three".