1101823 has 8 divisors (see below), whose sum is σ = 1146992. Its totient is φ = 1057536.

The previous prime is 1101811. The next prime is 1101839. The reversal of 1101823 is 3281011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101823 is a prime.

It is a Duffinian number.

1101823 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1101797 and 1101806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101803) 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, 3436 + ... + 3742.

It is an arithmetic number, because the mean of its divisors is an integer number (143374).

2^1101823 is an apocalyptic number.

1101823 is a deficient number, since it is larger than the sum of its proper divisors (45169).

1101823 is an equidigital number, since it uses as much as digits as its factorization.

1101823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1101823 is about 1049.6775695422. The cubic root of 1101823 is about 103.2850057283.

Adding to 1101823 its reverse (3281011), we get a palindrome (4382834).

The spelling of 1101823 in words is "one million, one hundred one thousand, eight hundred twenty-three".