111010023 has 12 divisors (see below), whose sum is σ = 160615728. Its totient is φ = 73883040.

The previous prime is 111010013. The next prime is 111010043. The reversal of 111010023 is 320010111.

It is not a de Polignac number, because 111010023 - 2⁴ = 111010007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111009987 and 111010014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010013) 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, 4443 + ... + 15548.

It is an arithmetic number, because the mean of its divisors is an integer number (13384644).

Almost surely, 2^111010023 is an apocalyptic number.

111010023 is a deficient number, since it is larger than the sum of its proper divisors (49605705).

111010023 is a wasteful number, since it uses less digits than its factorization.

111010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20614 (or 20611 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 111010023 is about 10536.1294126449. The cubic root of 111010023 is about 480.6040182478.

Adding to 111010023 its reverse (320010111), we get a palindrome (431020134).

The spelling of 111010023 in words is "one hundred eleven million, ten thousand, twenty-three".