23430443 has 2 divisors, whose sum is σ = 23430444. Its totient is φ = 23430442.

The previous prime is 23430431. The next prime is 23430457. The reversal of 23430443 is 34403432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23430443 - 2¹⁶ = 23364907 is a prime.

It is not a weakly prime, because it can be changed into another prime (23430343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715221 + 11715222.

It is an arithmetic number, because the mean of its divisors is an integer number (11715222).

Almost surely, 2^23430443 is an apocalyptic number.

23430443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23430443 is an equidigital number, since it uses as much as digits as its factorization.

23430443 is an evil number, because the sum of its binary digits is even.

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

The square root of 23430443 is about 4840.5002840616. The cubic root of 23430443 is about 286.1498350941.

Adding to 23430443 its reverse (34403432), we get a palindrome (57833875).

The spelling of 23430443 in words is "twenty-three million, four hundred thirty thousand, four hundred forty-three".