11123103303 has 80 divisors (see below), whose sum is σ = 18432454656. Its totient is φ = 6641248320.

The previous prime is 11123103283. The next prime is 11123103307. The reversal of 11123103303 is 30330132111.

It is a happy number.

11123103303 is a `hidden beast` number, since 11 + 12 + 310 + 330 + 3 = 666.

It is not a de Polignac number, because 11123103303 - 2⁶ = 11123103239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123103307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7560858 + ... + 7562328.

Almost surely, 2^11123103303 is an apocalyptic number.

11123103303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11123103303 is a deficient number, since it is larger than the sum of its proper divisors (7309351353).

11123103303 is a wasteful number, since it uses less digits than its factorization.

11123103303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11123103303 its reverse (30330132111), we get a palindrome (41453235414).

The spelling of 11123103303 in words is "eleven billion, one hundred twenty-three million, one hundred three thousand, three hundred three".