1320303123 has 12 divisors (see below), whose sum is σ = 1910499240. Its totient is φ = 878635296.

The previous prime is 1320303119. The next prime is 1320303137. The reversal of 1320303123 is 3213030231.

1320303123 is a `hidden beast` number, since 1 + 320 + 30 + 312 + 3 = 666.

It is not a de Polignac number, because 1320303123 - 2² = 1320303119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320303096 and 1320303105.

It is not an unprimeable number, because it can be changed into a prime (1320303143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125218 + ... + 135351.

It is an arithmetic number, because the mean of its divisors is an integer number (159208270).

Almost surely, 2^1320303123 is an apocalyptic number.

1320303123 is a deficient number, since it is larger than the sum of its proper divisors (590196117).

1320303123 is a wasteful number, since it uses less digits than its factorization.

1320303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261138 (or 261135 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1320303123 is about 36335.9756026999. The cubic root of 1320303123 is about 1097.0452722931.

Adding to 1320303123 its reverse (3213030231), we get a palindrome (4533333354).

The spelling of 1320303123 in words is "one billion, three hundred twenty million, three hundred three thousand, one hundred twenty-three".