111423744 has 108 divisors (see below), whose sum is σ = 324523836. Its totient is φ = 36765696.

The previous prime is 111423743. The next prime is 111423751. The reversal of 111423744 is 447324111.

It can be written as a sum of positive squares in 2 ways, for example, as 55353600 + 56070144 = 7440^2 + 7488^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (111423743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315472 + ... + 315824.

Almost surely, 2^111423744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111423744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162261918).

111423744 is an abundant number, since it is smaller than the sum of its proper divisors (213100092).

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

111423744 is a wasteful number, since it uses less digits than its factorization.

111423744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 495 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 111423744 is about 10555.7445971376. The cubic root of 111423744 is about 481.2003291851.

Adding to 111423744 its reverse (447324111), we get a palindrome (558747855).

The spelling of 111423744 in words is "one hundred eleven million, four hundred twenty-three thousand, seven hundred forty-four".