213120320023 has 8 divisors (see below), whose sum is σ = 236917874816. Its totient is φ = 190380434400.

The previous prime is 213120319991. The next prime is 213120320053. The reversal of 213120320023 is 320023021312.

213120320023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213120320023 - 2⁵ = 213120319991 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 (213120320053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264416868 + ... + 264417673.

It is an arithmetic number, because the mean of its divisors is an integer number (29614734352).

Almost surely, 2^213120320023 is an apocalyptic number.

213120320023 is a deficient number, since it is larger than the sum of its proper divisors (23797554793).

213120320023 is a wasteful number, since it uses less digits than its factorization.

213120320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528834585.

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

Adding to 213120320023 its reverse (320023021312), we get a palindrome (533143341335).

The spelling of 213120320023 in words is "two hundred thirteen billion, one hundred twenty million, three hundred twenty thousand, twenty-three".