1113023 has 4 divisors (see below), whose sum is σ = 1117920. Its totient is φ = 1108128.

The previous prime is 1113019. The next prime is 1113029. The reversal of 1113023 is 3203111.

1113023 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113023 - 2² = 1113019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112995 and 1113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2090 + ... + 2567.

It is an arithmetic number, because the mean of its divisors is an integer number (279480).

2^1113023 is an apocalyptic number.

1113023 is a deficient number, since it is larger than the sum of its proper divisors (4897).

1113023 is an equidigital number, since it uses as much as digits as its factorization.

1113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1113023 is about 1054.9990521323. Note that the first 3 decimals coincide. The cubic root of 1113023 is about 103.6337896569.

Adding to 1113023 its reverse (3203111), we get a palindrome (4316134).

The spelling of 1113023 in words is "one million, one hundred thirteen thousand, twenty-three".