111423034221444 has 144 divisors (see below), whose sum is σ = 307460869462656. Its totient is φ = 33742210867200.

The previous prime is 111423034221413. The next prime is 111423034221449. The reversal of 111423034221444 is 444122430324111.

111423034221444 is a `hidden beast` number, since 1 + 1 + 1 + 423 + 0 + 3 + 4 + 221 + 4 + 4 + 4 = 666.

It is a super-2 number, since 2×111423034221444² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 111423034221399 and 111423034221408.

It is not an unprimeable number, because it can be changed into a prime (111423034221449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4205105604 + ... + 4205132100.

It is an arithmetic number, because the mean of its divisors is an integer number (2135144926824).

Almost surely, 2^{111423034221444} is an apocalyptic number.

It is an amenable number.

111423034221444 is an abundant number, since it is smaller than the sum of its proper divisors (196037835241212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111423034221444 is a wasteful number, since it uses less digits than its factorization.

111423034221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33146 (or 33141 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 111423034221444 its reverse (444122430324111), we get a palindrome (555545464545555).

The spelling of 111423034221444 in words is "one hundred eleven trillion, four hundred twenty-three billion, thirty-four million, two hundred twenty-one thousand, four hundred forty-four".