213100440223 has 24 divisors (see below), whose sum is σ = 235711229040. Its totient is φ = 192509116800.

The previous prime is 213100440211. The next prime is 213100440257. The reversal of 213100440223 is 322044001312.

It is not a de Polignac number, because 213100440223 - 2⁵ = 213100440191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213100440194 and 213100440203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213100447223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17278323 + ... + 17290651.

It is an arithmetic number, because the mean of its divisors is an integer number (9821301210).

Almost surely, 2^213100440223 is an apocalyptic number.

213100440223 is a deficient number, since it is larger than the sum of its proper divisors (22610788817).

213100440223 is a wasteful number, since it uses less digits than its factorization.

213100440223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13239 (or 13228 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 213100440223 its reverse (322044001312), we get a palindrome (535144441535).

The spelling of 213100440223 in words is "two hundred thirteen billion, one hundred million, four hundred forty thousand, two hundred twenty-three".