213230353 has 4 divisors (see below), whose sum is σ = 243691840. Its totient is φ = 182768868.

The previous prime is 213230351. The next prime is 213230363. The reversal of 213230353 is 353032312.

It is a happy number.

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 213230353 - 2¹ = 213230351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213230351) 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, 15230733 + ... + 15230746.

It is an arithmetic number, because the mean of its divisors is an integer number (60922960).

Almost surely, 2^213230353 is an apocalyptic number.

It is an amenable number.

213230353 is a deficient number, since it is larger than the sum of its proper divisors (30461487).

213230353 is an equidigital number, since it uses as much as digits as its factorization.

213230353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30461486.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 213230353 is about 14602.4091505477. The cubic root of 213230353 is about 597.4244722842.

Adding to 213230353 its reverse (353032312), we get a palindrome (566262665).

The spelling of 213230353 in words is "two hundred thirteen million, two hundred thirty thousand, three hundred fifty-three".