1224344423 has 4 divisors (see below), whose sum is σ = 1224424608. Its totient is φ = 1224264240.

The previous prime is 1224344413. The next prime is 1224344447. The reversal of 1224344423 is 3244434221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3244434221 = 7 ⋅463490603.

It is a cyclic number.

It is not a de Polignac number, because 1224344423 - 2¹⁰ = 1224343399 is a prime.

It is a super-2 number, since 2×1224344423² = 2998038532262405858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224344413) 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, 9311 + ... + 50352.

It is an arithmetic number, because the mean of its divisors is an integer number (306106152).

Almost surely, 2^1224344423 is an apocalyptic number.

1224344423 is a deficient number, since it is larger than the sum of its proper divisors (80185).

1224344423 is an equidigital number, since it uses as much as digits as its factorization.

1224344423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80184.

The product of its digits is 18432, while the sum is 29.

The square root of 1224344423 is about 34990.6333609439. The cubic root of 1224344423 is about 1069.7965732584.

Adding to 1224344423 its reverse (3244434221), we get a palindrome (4468778644).

The spelling of 1224344423 in words is "one billion, two hundred twenty-four million, three hundred forty-four thousand, four hundred twenty-three".