213532223 has 8 divisors (see below), whose sum is σ = 231608160. Its totient is φ = 196069120.

The previous prime is 213532219. The next prime is 213532229. The reversal of 213532223 is 322235312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213532223 - 2² = 213532219 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 (213532229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152483 + ... + 153876.

It is an arithmetic number, because the mean of its divisors is an integer number (28951020).

Almost surely, 2^213532223 is an apocalyptic number.

213532223 is a deficient number, since it is larger than the sum of its proper divisors (18075937).

213532223 is a wasteful number, since it uses less digits than its factorization.

213532223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306417.

The product of its digits is 2160, while the sum is 23.

The square root of 213532223 is about 14612.7418029609. The cubic root of 213532223 is about 597.7062637603.

Adding to 213532223 its reverse (322235312), we get a palindrome (535767535).

The spelling of 213532223 in words is "two hundred thirteen million, five hundred thirty-two thousand, two hundred twenty-three".