1103311123 has 16 divisors (see below), whose sum is σ = 1146052800. Its totient is φ = 1061558784.

The previous prime is 1103311117. The next prime is 1103311129. The reversal of 1103311123 is 3211133011.

It is an interprime number because it is at equal distance from previous prime (1103311117) and next prime (1103311129).

It is a cyclic number.

It is not a de Polignac number, because 1103311123 - 2⁵ = 1103311091 is a prime.

It is a super-2 number, since 2×1103311123² = 2434590868271042258, 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 = 1103311097 and 1103311106.

It is not an unprimeable number, because it can be changed into a prime (1103311129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769215 + ... + 770647.

It is an arithmetic number, because the mean of its divisors is an integer number (71628300).

Almost surely, 2^1103311123 is an apocalyptic number.

1103311123 is a deficient number, since it is larger than the sum of its proper divisors (42741677).

1103311123 is a wasteful number, since it uses less digits than its factorization.

1103311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1103311123 is about 33216.1274533923. The cubic root of 1103311123 is about 1033.3148374652.

Adding to 1103311123 its reverse (3211133011), we get a palindrome (4314444134).

The spelling of 1103311123 in words is "one billion, one hundred three million, three hundred eleven thousand, one hundred twenty-three".