1103011223 has 4 divisors (see below), whose sum is σ = 1111431288. Its totient is φ = 1094591160.

The previous prime is 1103011219. The next prime is 1103011229. The reversal of 1103011223 is 3221103011.

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 1103011223 - 2² = 1103011219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103011198 and 1103011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103011229) 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, 4209836 + ... + 4210097.

It is an arithmetic number, because the mean of its divisors is an integer number (277857822).

Almost surely, 2^1103011223 is an apocalyptic number.

1103011223 is a deficient number, since it is larger than the sum of its proper divisors (8420065).

1103011223 is an equidigital number, since it uses as much as digits as its factorization.

1103011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420064.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1103011223 is about 33211.6127732454. The cubic root of 1103011223 is about 1033.2212044015.

Adding to 1103011223 its reverse (3221103011), we get a palindrome (4324114234).

The spelling of 1103011223 in words is "one billion, one hundred three million, eleven thousand, two hundred twenty-three".