213232220023 has 4 divisors (see below), whose sum is σ = 213316205320. Its totient is φ = 213148234728.

The previous prime is 213232220021. The next prime is 213232220029. The reversal of 213232220023 is 320022232312.

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 213232220023 - 2¹ = 213232220021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213232219976 and 213232220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232220021) 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, 41988840 + ... + 41993917.

It is an arithmetic number, because the mean of its divisors is an integer number (53329051330).

Almost surely, 2^213232220023 is an apocalyptic number.

213232220023 is a deficient number, since it is larger than the sum of its proper divisors (83985297).

213232220023 is an equidigital number, since it uses as much as digits as its factorization.

213232220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83985296.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 213232220023 its reverse (320022232312), we get a palindrome (533254452335).

The spelling of 213232220023 in words is "two hundred thirteen billion, two hundred thirty-two million, two hundred twenty thousand, twenty-three".