13144201223 has 4 divisors (see below), whose sum is σ = 13324258848. Its totient is φ = 12964143600.

The previous prime is 13144201201. The next prime is 13144201237. The reversal of 13144201223 is 32210244131.

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 13144201223 - 2⁸ = 13144200967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144201243) 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, 90028703 + ... + 90028848.

It is an arithmetic number, because the mean of its divisors is an integer number (3331064712).

Almost surely, 2^13144201223 is an apocalyptic number.

13144201223 is a deficient number, since it is larger than the sum of its proper divisors (180057625).

13144201223 is an equidigital number, since it uses as much as digits as its factorization.

13144201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180057624.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13144201223 its reverse (32210244131), we get a palindrome (45354445354).

The spelling of 13144201223 in words is "thirteen billion, one hundred forty-four million, two hundred one thousand, two hundred twenty-three".