1320023103 has 24 divisors (see below), whose sum is σ = 2080960560. Its totient is φ = 741928320.

The previous prime is 1320023083. The next prime is 1320023147. The reversal of 1320023103 is 3013200231.

It is not a de Polignac number, because 1320023103 - 2⁶ = 1320023039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320024103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64638 + ... + 82571.

It is an arithmetic number, because the mean of its divisors is an integer number (86706690).

Almost surely, 2^1320023103 is an apocalyptic number.

1320023103 is a deficient number, since it is larger than the sum of its proper divisors (760937457).

1320023103 is a wasteful number, since it uses less digits than its factorization.

1320023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147287 (or 147280 counting only the distinct ones).

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

The square root of 1320023103 is about 36332.1221923520. The cubic root of 1320023103 is about 1096.9677102212.

Adding to 1320023103 its reverse (3013200231), we get a palindrome (4333223334).

The spelling of 1320023103 in words is "one billion, three hundred twenty million, twenty-three thousand, one hundred three".