1103123313003 has 32 divisors (see below), whose sum is σ = 1566180000000. Its totient is φ = 688668469632.

The previous prime is 1103123312971. The next prime is 1103123313037. The reversal of 1103123313003 is 3003133213011.

It is not a de Polignac number, because 1103123313003 - 2⁵ = 1103123312971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103123313043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2391373 + ... + 2815121.

It is an arithmetic number, because the mean of its divisors is an integer number (48943125000).

Almost surely, 2^{1103123313003} is an apocalyptic number.

1103123313003 is a deficient number, since it is larger than the sum of its proper divisors (463056686997).

1103123313003 is a wasteful number, since it uses less digits than its factorization.

1103123313003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424299.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1103123313003 its reverse (3003133213011), we get a palindrome (4106256526014).

The spelling of 1103123313003 in words is "one trillion, one hundred three billion, one hundred twenty-three million, three hundred thirteen thousand, three".