1103343012123 has 16 divisors (see below), whose sum is σ = 1604943849600. Its totient is φ = 668658865280.

The previous prime is 1103343012113. The next prime is 1103343012151. The reversal of 1103343012123 is 3212103433011.

It is a cyclic number.

It is not a de Polignac number, because 1103343012123 - 2⁹ = 1103343011611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103343012093 and 1103343012102.

It is not an unprimeable number, because it can be changed into a prime (1103343012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177438 + ... + 1496051.

It is an arithmetic number, because the mean of its divisors is an integer number (100308990600).

Almost surely, 2^{1103343012123} is an apocalyptic number.

1103343012123 is a deficient number, since it is larger than the sum of its proper divisors (501600837477).

1103343012123 is a wasteful number, since it uses less digits than its factorization.

1103343012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693482.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1103343012123 its reverse (3212103433011), we get a palindrome (4315446445134).

The spelling of 1103343012123 in words is "one trillion, one hundred three billion, three hundred forty-three million, twelve thousand, one hundred twenty-three".