23423443 has 2 divisors, whose sum is σ = 23423444. Its totient is φ = 23423442.

The previous prime is 23423441. The next prime is 23423461. The reversal of 23423443 is 34432432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23423443 - 2¹ = 23423441 is a prime.

Together with 23423441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23423441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11711721 + 11711722.

It is an arithmetic number, because the mean of its divisors is an integer number (11711722).

Almost surely, 2^23423443 is an apocalyptic number.

23423443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23423443 is an equidigital number, since it uses as much as digits as its factorization.

23423443 is an evil number, because the sum of its binary digits is even.

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

The square root of 23423443 is about 4839.7771642918. Note that the first 3 decimals coincide. The cubic root of 23423443 is about 286.1213358697.

Adding to 23423443 its reverse (34432432), we get a palindrome (57855875).

The spelling of 23423443 in words is "twenty-three million, four hundred twenty-three thousand, four hundred forty-three".