1816323 has 8 divisors (see below), whose sum is σ = 2435088. Its totient is φ = 1204224.

The previous prime is 1816301. The next prime is 1816337. The reversal of 1816323 is 3236181.

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

It is not a de Polignac number, because 1816323 - 2¹² = 1812227 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1816293 and 1816302.

It is not an unprimeable number, because it can be changed into a prime (1816523) 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, 990 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (304386).

2^1816323 is an apocalyptic number.

1816323 is a deficient number, since it is larger than the sum of its proper divisors (618765).

1816323 is a wasteful number, since it uses less digits than its factorization.

1816323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333.

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

The square root of 1816323 is about 1347.7102804386. The cubic root of 1816323 is about 122.0106368939.

The spelling of 1816323 in words is "one million, eight hundred sixteen thousand, three hundred twenty-three".