23532213 has 4 divisors (see below), whose sum is σ = 31376288. Its totient is φ = 15688140.

The previous prime is 23532181. The next prime is 23532221. The reversal of 23532213 is 31223532.

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 23532213 - 2⁵ = 23532181 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 23532213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23532413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3922033 + ... + 3922038.

It is an arithmetic number, because the mean of its divisors is an integer number (7844072).

Almost surely, 2^23532213 is an apocalyptic number.

It is an amenable number.

23532213 is a deficient number, since it is larger than the sum of its proper divisors (7844075).

23532213 is an equidigital number, since it uses as much as digits as its factorization.

23532213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7844074.

The product of its digits is 1080, while the sum is 21.

The square root of 23532213 is about 4851.0012368582. The cubic root of 23532213 is about 286.5635334492.

Adding to 23532213 its reverse (31223532), we get a palindrome (54755745).

The spelling of 23532213 in words is "twenty-three million, five hundred thirty-two thousand, two hundred thirteen".