1320103023 has 16 divisors (see below), whose sum is σ = 1865293920. Its totient is φ = 827580416.

The previous prime is 1320103021. The next prime is 1320103049. The reversal of 1320103023 is 3203010231.

It is a cyclic number.

It is not a de Polignac number, because 1320103023 - 2¹ = 1320103021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320102993 and 1320103011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320103021) 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, 51433 + ... + 72701.

It is an arithmetic number, because the mean of its divisors is an integer number (116580870).

Almost surely, 2^1320103023 is an apocalyptic number.

1320103023 is a deficient number, since it is larger than the sum of its proper divisors (545190897).

1320103023 is a wasteful number, since it uses less digits than its factorization.

1320103023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22506.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1320103023 is about 36333.2220288815. Note that the first 3 decimals coincide. The cubic root of 1320103023 is about 1096.9898481898.

Adding to 1320103023 its reverse (3203010231), we get a palindrome (4523113254).

The spelling of 1320103023 in words is "one billion, three hundred twenty million, one hundred three thousand, twenty-three".