1100323 has 4 divisors (see below), whose sum is σ = 1257520. Its totient is φ = 943128.

The previous prime is 1100321. The next prime is 1100353. The reversal of 1100323 is 3230011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3230011 = 61 ⋅52951.

It is a cyclic number.

It is not a de Polignac number, because 1100323 - 2¹ = 1100321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78588 + ... + 78601.

It is an arithmetic number, because the mean of its divisors is an integer number (314380).

2^1100323 is an apocalyptic number.

1100323 is a deficient number, since it is larger than the sum of its proper divisors (157197).

1100323 is an equidigital number, since it uses as much as digits as its factorization.

1100323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157196.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1100323 is about 1048.9628210761. The cubic root of 1100323 is about 103.2381143895.

Adding to 1100323 its reverse (3230011), we get a palindrome (4330334).

It can be divided in two parts, 11003 and 23, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 1100323 in words is "one million, one hundred thousand, three hundred twenty-three".