1103221323 has 16 divisors (see below), whose sum is σ = 1636643200. Its totient is φ = 734472360.

The previous prime is 1103221319. The next prime is 1103221331. The reversal of 1103221323 is 3231223011.

It is not a de Polignac number, because 1103221323 - 2² = 1103221319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103221296 and 1103221305.

It is not an unprimeable number, because it can be changed into a prime (1103221303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7693 + ... + 47598.

It is an arithmetic number, because the mean of its divisors is an integer number (102290200).

Almost surely, 2^1103221323 is an apocalyptic number.

1103221323 is a deficient number, since it is larger than the sum of its proper divisors (533421877).

1103221323 is an equidigital number, since it uses as much as digits as its factorization.

1103221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56039 (or 56033 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1103221323 is about 33214.7756728839. The cubic root of 1103221323 is about 1033.2868024024.

Adding to 1103221323 its reverse (3231223011), we get a palindrome (4334444334).

The spelling of 1103221323 in words is "one billion, one hundred three million, two hundred twenty-one thousand, three hundred twenty-three".