13223405253 has 4 divisors (see below), whose sum is σ = 17631207008. Its totient is φ = 8815603500.

The previous prime is 13223405207. The next prime is 13223405257. The reversal of 13223405253 is 35250432231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13223405253 - 2¹⁴ = 13223388869 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 13223405253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223405257) 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, 2203900873 + ... + 2203900878.

It is an arithmetic number, because the mean of its divisors is an integer number (4407801752).

Almost surely, 2^13223405253 is an apocalyptic number.

It is an amenable number.

13223405253 is a deficient number, since it is larger than the sum of its proper divisors (4407801755).

13223405253 is an equidigital number, since it uses as much as digits as its factorization.

13223405253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407801754.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 13223405253 its reverse (35250432231), we get a palindrome (48473837484).

The spelling of 13223405253 in words is "thirteen billion, two hundred twenty-three million, four hundred five thousand, two hundred fifty-three".