111379823 has 8 divisors (see below), whose sum is σ = 117816288. Its totient is φ = 105076224.

The previous prime is 111379813. The next prime is 111379841. The reversal of 111379823 is 328973111.

It is a happy number.

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 111379823 - 2¹² = 111375727 is a prime.

It is a super-2 number, since 2×111379823² = 24810929943022658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111379813) 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, 31490 + ... + 34847.

It is an arithmetic number, because the mean of its divisors is an integer number (14727036).

Almost surely, 2^111379823 is an apocalyptic number.

111379823 is a deficient number, since it is larger than the sum of its proper divisors (6436465).

111379823 is an equidigital number, since it uses as much as digits as its factorization.

111379823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66433.

The product of its digits is 9072, while the sum is 35.

The square root of 111379823 is about 10553.6639609190. The cubic root of 111379823 is about 481.1370943769.

The spelling of 111379823 in words is "one hundred eleven million, three hundred seventy-nine thousand, eight hundred twenty-three".