1103103231223 has 4 divisors (see below), whose sum is σ = 1260689407120. Its totient is φ = 945517055328.

The previous prime is 1103103231187. The next prime is 1103103231247. The reversal of 1103103231223 is 3221323013011.

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 1103103231223 - 2²¹ = 1103101134071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103103231194 and 1103103231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103103031223) 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, 78793087938 + ... + 78793087951.

It is an arithmetic number, because the mean of its divisors is an integer number (315172351780).

Almost surely, 2^{1103103231223} is an apocalyptic number.

1103103231223 is a deficient number, since it is larger than the sum of its proper divisors (157586175897).

1103103231223 is an equidigital number, since it uses as much as digits as its factorization.

1103103231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157586175896.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1103103231223 its reverse (3221323013011), we get a palindrome (4324426244234).

The spelling of 1103103231223 in words is "one trillion, one hundred three billion, one hundred three million, two hundred thirty-one thousand, two hundred twenty-three".