111320023 has 8 divisors (see below), whose sum is σ = 116286048. Its totient is φ = 106364544.

The previous prime is 111319997. The next prime is 111320047. The reversal of 111320023 is 320023111.

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 111320023 - 2²¹ = 109222871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111319985 and 111320012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111320093) 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, 25411 + ... + 29467.

It is an arithmetic number, because the mean of its divisors is an integer number (14535756).

Almost surely, 2^111320023 is an apocalyptic number.

111320023 is a deficient number, since it is larger than the sum of its proper divisors (4966025).

111320023 is a wasteful number, since it uses less digits than its factorization.

111320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 111320023 is about 10550.8304412496. The cubic root of 111320023 is about 481.0509712107.

Adding to 111320023 its reverse (320023111), we get a palindrome (431343134).

It can be divided in two parts, 1113200 and 23, that multiplied together give a square (25603600 = 5060²).

The spelling of 111320023 in words is "one hundred eleven million, three hundred twenty thousand, twenty-three".