111423723 has 8 divisors (see below), whose sum is σ = 148717968. Its totient is φ = 74205984.

The previous prime is 111423721. The next prime is 111423737. The reversal of 111423723 is 327324111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111423723 - 2¹ = 111423721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111423693 and 111423702.

It is not an unprimeable number, because it can be changed into a prime (111423721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15636 + ... + 21617.

It is an arithmetic number, because the mean of its divisors is an integer number (18589746).

Almost surely, 2^111423723 is an apocalyptic number.

111423723 is a deficient number, since it is larger than the sum of its proper divisors (37294245).

111423723 is an equidigital number, since it uses as much as digits as its factorization.

111423723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38253.

The product of its digits is 1008, while the sum is 24.

The square root of 111423723 is about 10555.7436024185. The cubic root of 111423723 is about 481.2002989546.

Adding to 111423723 its reverse (327324111), we get a palindrome (438747834).

The spelling of 111423723 in words is "one hundred eleven million, four hundred twenty-three thousand, seven hundred twenty-three".