213232021323 has 8 divisors (see below), whose sum is σ = 284403547200. Its totient is φ = 142107588168.

The previous prime is 213232021283. The next prime is 213232021339. The reversal of 213232021323 is 323120232312.

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

It is not a de Polignac number, because 213232021323 - 2¹⁶ = 213231955787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213232021293 and 213232021302.

It is not an unprimeable number, because it can be changed into a prime (213232021523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11762613 + ... + 11780726.

It is an arithmetic number, because the mean of its divisors is an integer number (35550443400).

Almost surely, 2^213232021323 is an apocalyptic number.

213232021323 is a deficient number, since it is larger than the sum of its proper divisors (71171525877).

213232021323 is a wasteful number, since it uses less digits than its factorization.

213232021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23546361.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213232021323 its reverse (323120232312), we get a palindrome (536352253635).

The spelling of 213232021323 in words is "two hundred thirteen billion, two hundred thirty-two million, twenty-one thousand, three hundred twenty-three".