23043443 has 2 divisors, whose sum is σ = 23043444. Its totient is φ = 23043442.

The previous prime is 23043439. The next prime is 23043479. The reversal of 23043443 is 34434032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23043443 - 2² = 23043439 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23043403) 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 as a sum of consecutive naturals, namely, 11521721 + 11521722.

It is an arithmetic number, because the mean of its divisors is an integer number (11521722).

Almost surely, 2^23043443 is an apocalyptic number.

23043443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23043443 is an equidigital number, since it uses as much as digits as its factorization.

23043443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 23043443 is about 4800.3586324357. The cubic root of 23043443 is about 284.5656377084.

Adding to 23043443 its reverse (34434032), we get a palindrome (57477475).

The spelling of 23043443 in words is "twenty-three million, forty-three thousand, four hundred forty-three".