1244111223 has 8 divisors (see below), whose sum is σ = 1716015600. Its totient is φ = 800807168.

The previous prime is 1244111179. The next prime is 1244111237. The reversal of 1244111223 is 3221114421.

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 1244111223 - 2¹⁰ = 1244110199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244111223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244111293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7149978 + ... + 7150151.

It is an arithmetic number, because the mean of its divisors is an integer number (214501950).

Almost surely, 2^1244111223 is an apocalyptic number.

1244111223 is a deficient number, since it is larger than the sum of its proper divisors (471904377).

1244111223 is a wasteful number, since it uses less digits than its factorization.

1244111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14300161.

The product of its digits is 384, while the sum is 21.

The square root of 1244111223 is about 35271.9608612847. The cubic root of 1244111223 is about 1075.5230835966.

Adding to 1244111223 its reverse (3221114421), we get a palindrome (4465225644).

The spelling of 1244111223 in words is "one billion, two hundred forty-four million, one hundred eleven thousand, two hundred twenty-three".