24423213 has 4 divisors (see below), whose sum is σ = 32564288. Its totient is φ = 16282140.

The previous prime is 24423209. The next prime is 24423229. The reversal of 24423213 is 31232442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 24423213 - 2² = 24423209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24423213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24423233) 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, 4070533 + ... + 4070538.

It is an arithmetic number, because the mean of its divisors is an integer number (8141072).

Almost surely, 2^24423213 is an apocalyptic number.

It is an amenable number.

24423213 is a deficient number, since it is larger than the sum of its proper divisors (8141075).

24423213 is an equidigital number, since it uses as much as digits as its factorization.

24423213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8141074.

The product of its digits is 1152, while the sum is 21.

The square root of 24423213 is about 4941.9847227607. The cubic root of 24423213 is about 290.1355410797.

Adding to 24423213 its reverse (31232442), we get a palindrome (55655655).

The spelling of 24423213 in words is "twenty-four million, four hundred twenty-three thousand, two hundred thirteen".