1224440134423 has 8 divisors (see below), whose sum is σ = 1335764149776. Its totient is φ = 1113117998400.

The previous prime is 1224440134399. The next prime is 1224440134433. The reversal of 1224440134423 is 3244310444221.

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 1224440134423 - 2²¹ = 1224438037271 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 (1224440134433) 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, 1129053 + ... + 1929673.

It is an arithmetic number, because the mean of its divisors is an integer number (166970518722).

Almost surely, 2^{1224440134423} is an apocalyptic number.

1224440134423 is a deficient number, since it is larger than the sum of its proper divisors (111324015353).

1224440134423 is a wasteful number, since it uses less digits than its factorization.

1224440134423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939665.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 1224440134423 its reverse (3244310444221), we get a palindrome (4468750578644).

The spelling of 1224440134423 in words is "one trillion, two hundred twenty-four billion, four hundred forty million, one hundred thirty-four thousand, four hundred twenty-three".