214523213 has 4 divisors (see below), whose sum is σ = 217725120. Its totient is φ = 211321308.

The previous prime is 214523209. The next prime is 214523219. The reversal of 214523213 is 312325412.

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 214523213 - 2² = 214523209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214523219) 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, 1600853 + ... + 1600986.

It is an arithmetic number, because the mean of its divisors is an integer number (54431280).

Almost surely, 2^214523213 is an apocalyptic number.

It is an amenable number.

214523213 is a deficient number, since it is larger than the sum of its proper divisors (3201907).

214523213 is an equidigital number, since it uses as much as digits as its factorization.

214523213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201906.

The product of its digits is 1440, while the sum is 23.

The square root of 214523213 is about 14646.6109731910. The cubic root of 214523213 is about 598.6294764553.

Adding to 214523213 its reverse (312325412), we get a palindrome (526848625).

The spelling of 214523213 in words is "two hundred fourteen million, five hundred twenty-three thousand, two hundred thirteen".