111623893 has 4 divisors (see below), whose sum is σ = 111701248. Its totient is φ = 111546540.

The previous prime is 111623861. The next prime is 111623903. The reversal of 111623893 is 398326111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111623893 - 2⁵ = 111623861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111623843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36471 + ... + 39412.

It is an arithmetic number, because the mean of its divisors is an integer number (27925312).

Almost surely, 2^111623893 is an apocalyptic number.

It is an amenable number.

111623893 is a deficient number, since it is larger than the sum of its proper divisors (77355).

111623893 is an equidigital number, since it uses as much as digits as its factorization.

111623893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77354.

The product of its digits is 7776, while the sum is 34.

The square root of 111623893 is about 10565.2209158162. The cubic root of 111623893 is about 481.4882814380.

The spelling of 111623893 in words is "one hundred eleven million, six hundred twenty-three thousand, eight hundred ninety-three".