213223567 has 6 divisors (see below), whose sum is σ = 225036888. Its totient is φ = 202000932.

The previous prime is 213223559. The next prime is 213223589. The reversal of 213223567 is 765322312.

213223567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213223567 - 2³ = 213223559 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 (213223667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294963 + ... + 295684.

It is an arithmetic number, because the mean of its divisors is an integer number (37506148).

Almost surely, 2^213223567 is an apocalyptic number.

213223567 is a deficient number, since it is larger than the sum of its proper divisors (11813321).

213223567 is an equidigital number, since it uses as much as digits as its factorization.

213223567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590685 (or 590666 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 213223567 is about 14602.1767897804. The cubic root of 213223567 is about 597.4181345913.

Adding to 213223567 its reverse (765322312), we get a palindrome (978545879).

The spelling of 213223567 in words is "two hundred thirteen million, two hundred twenty-three thousand, five hundred sixty-seven".