1103113123 has 16 divisors (see below), whose sum is σ = 1272547584. Its totient is φ = 936684000.

The previous prime is 1103113093. The next prime is 1103113129. The reversal of 1103113123 is 3213113011.

It is not a de Polignac number, because 1103113123 - 2⁹ = 1103112611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103113097 and 1103113106.

It is not an unprimeable number, because it can be changed into a prime (1103113129) 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, 344536 + ... + 347722.

It is an arithmetic number, because the mean of its divisors is an integer number (79534224).

Almost surely, 2^1103113123 is an apocalyptic number.

1103113123 is a deficient number, since it is larger than the sum of its proper divisors (169434461).

1103113123 is a wasteful number, since it uses less digits than its factorization.

1103113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642.

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

The square root of 1103113123 is about 33213.1468397681. The cubic root of 1103113123 is about 1033.2530209405.

Adding to 1103113123 its reverse (3213113011), we get a palindrome (4316226134).

The spelling of 1103113123 in words is "one billion, one hundred three million, one hundred thirteen thousand, one hundred twenty-three".