2144201223 has 4 divisors (see below), whose sum is σ = 2858934968. Its totient is φ = 1429467480.

The previous prime is 2144201221. The next prime is 2144201291. The reversal of 2144201223 is 3221024412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2144201223 - 2¹ = 2144201221 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 2144201223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144201221) 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, 357366868 + ... + 357366873.

It is an arithmetic number, because the mean of its divisors is an integer number (714733742).

Almost surely, 2^2144201223 is an apocalyptic number.

2144201223 is a deficient number, since it is larger than the sum of its proper divisors (714733745).

2144201223 is an equidigital number, since it uses as much as digits as its factorization.

2144201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714733744.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2144201223 is about 46305.5204376325. The cubic root of 2144201223 is about 1289.5014845583.

Adding to 2144201223 its reverse (3221024412), we get a palindrome (5365225635).

The spelling of 2144201223 in words is "two billion, one hundred forty-four million, two hundred one thousand, two hundred twenty-three".