1105023 has 8 divisors (see below), whose sum is σ = 1479088. Its totient is φ = 733824.

The previous prime is 1105019. The next prime is 1105033. The reversal of 1105023 is 3205011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1105023 - 2² = 1105019 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 (1105033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (184886).

2^1105023 is an apocalyptic number.

1105023 is a deficient number, since it is larger than the sum of its proper divisors (374065).

1105023 is a wasteful number, since it uses less digits than its factorization.

1105023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1105023 is about 1051.2007420089. The cubic root of 1105023 is about 103.3848985325.

Subtracting from 1105023 its sum of digits (12), we obtain a palindrome (1105011).

The spelling of 1105023 in words is "one million, one hundred five thousand, twenty-three".