210113021323 has 4 divisors (see below), whose sum is σ = 210134112160. Its totient is φ = 210091930488.

The previous prime is 210113021257. The next prime is 210113021333. The reversal of 210113021323 is 323120311012.

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 210113021323 - 2²¹ = 210110924171 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 210113021323.

It is not an unprimeable number, because it can be changed into a prime (210113021333) 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, 10530468 + ... + 10550401.

It is an arithmetic number, because the mean of its divisors is an integer number (52533528040).

Almost surely, 2^210113021323 is an apocalyptic number.

210113021323 is a deficient number, since it is larger than the sum of its proper divisors (21090837).

210113021323 is an equidigital number, since it uses as much as digits as its factorization.

210113021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21090836.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210113021323 its reverse (323120311012), we get a palindrome (533233332335).

The spelling of 210113021323 in words is "two hundred ten billion, one hundred thirteen million, twenty-one thousand, three hundred twenty-three".