1163823 has 16 divisors (see below), whose sum is σ = 1645056. Its totient is φ = 730400.

The previous prime is 1163821. The next prime is 1163831. The reversal of 1163823 is 3283611.

It is a cyclic number.

It is not a de Polignac number, because 1163823 - 2¹ = 1163821 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1163793 and 1163802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6886 + ... + 7052.

It is an arithmetic number, because the mean of its divisors is an integer number (102816).

2^1163823 is an apocalyptic number.

1163823 is a deficient number, since it is larger than the sum of its proper divisors (481233).

1163823 is a wasteful number, since it uses less digits than its factorization.

1163823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its digits is 864, while the sum is 24.

The square root of 1163823 is about 1078.8062847425. The cubic root of 1163823 is about 105.1870588446.

The spelling of 1163823 in words is "one million, one hundred sixty-three thousand, eight hundred twenty-three".