1234523221444 has 12 divisors (see below), whose sum is σ = 2230106464768. Its totient is φ = 597349945800.

The previous prime is 1234523221439. The next prime is 1234523221447. The reversal of 1234523221444 is 4441223254321.

It is a super-2 number, since 2×1234523221444² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1234523221447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4977916092 + ... + 4977916339.

Almost surely, 2^{1234523221444} is an apocalyptic number.

It is an amenable number.

1234523221444 is a deficient number, since it is larger than the sum of its proper divisors (995583243324).

1234523221444 is a wasteful number, since it uses less digits than its factorization.

1234523221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9955832466 (or 9955832464 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

Adding to 1234523221444 its reverse (4441223254321), we get a palindrome (5675746475765).

The spelling of 1234523221444 in words is "one trillion, two hundred thirty-four billion, five hundred twenty-three million, two hundred twenty-one thousand, four hundred forty-four".