23412443 has 4 divisors (see below), whose sum is σ = 23503800. Its totient is φ = 23321088.

The previous prime is 23412421. The next prime is 23412449. The reversal of 23412443 is 34421432.

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

It is a cyclic number.

It is not a de Polignac number, because 23412443 - 2²⁰ = 22363867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23412449) 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, 45293 + ... + 45806.

It is an arithmetic number, because the mean of its divisors is an integer number (5875950).

Almost surely, 2^23412443 is an apocalyptic number.

23412443 is a deficient number, since it is larger than the sum of its proper divisors (91357).

23412443 is an equidigital number, since it uses as much as digits as its factorization.

23412443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91356.

The product of its digits is 2304, while the sum is 23.

The square root of 23412443 is about 4838.6406148835. The cubic root of 23412443 is about 286.0765399004.

Adding to 23412443 its reverse (34421432), we get a palindrome (57833875).

The spelling of 23412443 in words is "twenty-three million, four hundred twelve thousand, four hundred forty-three".