213130020223 has 4 divisors (see below), whose sum is σ = 214085760448. Its totient is φ = 212174280000.

The previous prime is 213130020209. The next prime is 213130020277. The reversal of 213130020223 is 322020031312.

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 213130020223 - 2²⁹ = 212593149311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213130020223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130020923) 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, 477869778 + ... + 477870223.

It is an arithmetic number, because the mean of its divisors is an integer number (53521440112).

Almost surely, 2^213130020223 is an apocalyptic number.

213130020223 is a deficient number, since it is larger than the sum of its proper divisors (955740225).

213130020223 is an equidigital number, since it uses as much as digits as its factorization.

213130020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955740224.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213130020223 its reverse (322020031312), we get a palindrome (535150051535).

The spelling of 213130020223 in words is "two hundred thirteen billion, one hundred thirty million, twenty thousand, two hundred twenty-three".