1123103011 has 8 divisors (see below), whose sum is σ = 1191268080. Its totient is φ = 1055171328.

The previous prime is 1123102997. The next prime is 1123103027. The reversal of 1123103011 is 1103013211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123103011 - 2⁹ = 1123102499 is a prime.

It is a super-2 number, since 2×1123103011² = 2522720746634532242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123102982 and 1123103000.

It is not an unprimeable number, because it can be changed into a prime (1123103071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48381 + ... + 67726.

It is an arithmetic number, because the mean of its divisors is an integer number (148908510).

Almost surely, 2^1123103011 is an apocalyptic number.

1123103011 is a deficient number, since it is larger than the sum of its proper divisors (68165069).

1123103011 is a wasteful number, since it uses less digits than its factorization.

1123103011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116693.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1123103011 is about 33512.7290891088. The cubic root of 1123103011 is about 1039.4570054394.

Adding to 1123103011 its reverse (1103013211), we get a palindrome (2226116222).

The spelling of 1123103011 in words is "one billion, one hundred twenty-three million, one hundred three thousand, eleven".