213496223 has 4 divisors (see below), whose sum is σ = 214091280. Its totient is φ = 212901168.

The previous prime is 213496201. The next prime is 213496249. The reversal of 213496223 is 322694312.

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 213496223 - 2⁶ = 213496159 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 213496223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213496823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296990 + ... + 297707.

It is an arithmetic number, because the mean of its divisors is an integer number (53522820).

Almost surely, 2^213496223 is an apocalyptic number.

213496223 is a deficient number, since it is larger than the sum of its proper divisors (595057).

213496223 is an equidigital number, since it uses as much as digits as its factorization.

213496223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595056.

The product of its digits is 15552, while the sum is 32.

The square root of 213496223 is about 14611.5099493516. The cubic root of 213496223 is about 597.6726722107.

It can be divided in two parts, 21349 and 6223, that added together give a palindrome (27572).

The spelling of 213496223 in words is "two hundred thirteen million, four hundred ninety-six thousand, two hundred twenty-three".