213101232223 has 4 divisors (see below), whose sum is σ = 232474071528. Its totient is φ = 193728392920.

The previous prime is 213101232209. The next prime is 213101232233. The reversal of 213101232223 is 322232101312.

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 213101232223 - 2³³ = 204511297631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213101232194 and 213101232203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213101232233) 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, 9686419636 + ... + 9686419657.

It is an arithmetic number, because the mean of its divisors is an integer number (58118517882).

Almost surely, 2^213101232223 is an apocalyptic number.

213101232223 is a deficient number, since it is larger than the sum of its proper divisors (19372839305).

213101232223 is a wasteful number, since it uses less digits than its factorization.

213101232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19372839304.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213101232223 its reverse (322232101312), we get a palindrome (535333333535).

The spelling of 213101232223 in words is "two hundred thirteen billion, one hundred one million, two hundred thirty-two thousand, two hundred twenty-three".