1103020320123 has 16 divisors (see below), whose sum is σ = 1648565281440. Its totient is φ = 728839383552.

The previous prime is 1103020320089. The next prime is 1103020320223. The reversal of 1103020320123 is 3210230203011.

It is not a de Polignac number, because 1103020320123 - 2¹⁰ = 1103020319099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103020320096 and 1103020320105.

It is not an unprimeable number, because it can be changed into a prime (1103020320023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180760686 + ... + 180766787.

It is an arithmetic number, because the mean of its divisors is an integer number (103035330090).

Almost surely, 2^{1103020320123} is an apocalyptic number.

1103020320123 is a deficient number, since it is larger than the sum of its proper divisors (545544961317).

1103020320123 is a wasteful number, since it uses less digits than its factorization.

1103020320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361527595 (or 361527589 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1103020320123 its reverse (3210230203011), we get a palindrome (4313250523134).

The spelling of 1103020320123 in words is "one trillion, one hundred three billion, twenty million, three hundred twenty thousand, one hundred twenty-three".