213213203023 has 4 divisors (see below), whose sum is σ = 225755156160. Its totient is φ = 200671249888.

The previous prime is 213213202973. The next prime is 213213203039. The reversal of 213213203023 is 320302312312.

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 213213203023 - 2²⁹ = 212676332111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213213202985 and 213213203003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213213203083) 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, 6270976543 + ... + 6270976576.

It is an arithmetic number, because the mean of its divisors is an integer number (56438789040).

Almost surely, 2^213213203023 is an apocalyptic number.

213213203023 is a deficient number, since it is larger than the sum of its proper divisors (12541953137).

213213203023 is a wasteful number, since it uses less digits than its factorization.

213213203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12541953136.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213213203023 its reverse (320302312312), we get a palindrome (533515515335).

The spelling of 213213203023 in words is "two hundred thirteen billion, two hundred thirteen million, two hundred three thousand, twenty-three".