23436213 has 4 divisors (see below), whose sum is σ = 31248288. Its totient is φ = 15624140.

The previous prime is 23436211. The next prime is 23436227. The reversal of 23436213 is 31263432.

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 a cyclic number.

It is not a de Polignac number, because 23436213 - 2¹ = 23436211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23436211) 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, 3906033 + ... + 3906038.

It is an arithmetic number, because the mean of its divisors is an integer number (7812072).

Almost surely, 2^23436213 is an apocalyptic number.

It is an amenable number.

23436213 is a deficient number, since it is larger than the sum of its proper divisors (7812075).

23436213 is an equidigital number, since it uses as much as digits as its factorization.

23436213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812074.

The product of its digits is 2592, while the sum is 24.

The square root of 23436213 is about 4841.0962601460. The cubic root of 23436213 is about 286.1733223301.

Adding to 23436213 its reverse (31263432), we get a palindrome (54699645).

The spelling of 23436213 in words is "twenty-three million, four hundred thirty-six thousand, two hundred thirteen".