213130323023 has 4 divisors (see below), whose sum is σ = 213131647680. Its totient is φ = 213128998368.

The previous prime is 213130323013. The next prime is 213130323079. The reversal of 213130323023 is 320323031312.

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 213130323023 - 2¹⁴ = 213130306639 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 213130323023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130323013) 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, 381215 + ... + 756032.

It is an arithmetic number, because the mean of its divisors is an integer number (53282911920).

Almost surely, 2^213130323023 is an apocalyptic number.

213130323023 is a deficient number, since it is larger than the sum of its proper divisors (1324657).

213130323023 is a wasteful number, since it uses less digits than its factorization.

213130323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324656.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 213130323023 its reverse (320323031312), we get a palindrome (533453354335).

The spelling of 213130323023 in words is "two hundred thirteen billion, one hundred thirty million, three hundred twenty-three thousand, twenty-three".