1353823 has 4 divisors (see below), whose sum is σ = 1371040. Its totient is φ = 1336608.

The previous prime is 1353809. The next prime is 1353827. The reversal of 1353823 is 3283531.

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 1353823 - 2⁵ = 1353791 is a prime.

It is a Duffinian number.

1353823 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8490 + ... + 8647.

It is an arithmetic number, because the mean of its divisors is an integer number (342760).

2^1353823 is an apocalyptic number.

1353823 is a deficient number, since it is larger than the sum of its proper divisors (17217).

1353823 is an equidigital number, since it uses as much as digits as its factorization.

1353823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17216.

The product of its digits is 2160, while the sum is 25.

The square root of 1353823 is about 1163.5389980572. The cubic root of 1353823 is about 110.6251729492.

The spelling of 1353823 in words is "one million, three hundred fifty-three thousand, eight hundred twenty-three".