1244200223 has 8 divisors (see below), whose sum is σ = 1427610240. Its totient is φ = 1062207000.

The previous prime is 1244200219. The next prime is 1244200231. The reversal of 1244200223 is 3220024421.

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

It is a cyclic number.

It is not a de Polignac number, because 1244200223 - 2² = 1244200219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244200195 and 1244200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244200273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352313 + ... + 355826.

It is an arithmetic number, because the mean of its divisors is an integer number (178451280).

Almost surely, 2^1244200223 is an apocalyptic number.

1244200223 is a deficient number, since it is larger than the sum of its proper divisors (183410017).

1244200223 is an equidigital number, since it uses as much as digits as its factorization.

1244200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708397.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1244200223 is about 35273.2224640732. Note that the first 3 decimals coincide. The cubic root of 1244200223 is about 1075.5487295544.

Adding to 1244200223 its reverse (3220024421), we get a palindrome (4464224644).

The spelling of 1244200223 in words is "one billion, two hundred forty-four million, two hundred thousand, two hundred twenty-three".