1103031120123 has 16 divisors (see below), whose sum is σ = 1636839204000. Its totient is φ = 734130518400.

The previous prime is 1103031120073. The next prime is 1103031120167. The reversal of 1103031120123 is 3210211303011.

It is not a de Polignac number, because 1103031120123 - 2⁸ = 1103031119867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103031120096 and 1103031120105.

It is not an unprimeable number, because it can be changed into a prime (1103031120523) 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 15 ways as a sum of consecutive naturals, for example, 33971298 + ... + 34003751.

It is an arithmetic number, because the mean of its divisors is an integer number (102302450250).

Almost surely, 2^{1103031120123} is an apocalyptic number.

1103031120123 is a deficient number, since it is larger than the sum of its proper divisors (533808083877).

1103031120123 is an equidigital number, since it uses as much as digits as its factorization.

1103031120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67975659 (or 67975653 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1103031120123 its reverse (3210211303011), we get a palindrome (4313242423134).

The spelling of 1103031120123 in words is "one trillion, one hundred three billion, thirty-one million, one hundred twenty thousand, one hundred twenty-three".