1303120323 has 12 divisors (see below), whose sum is σ = 1882983960. Its totient is φ = 868424256.

The previous prime is 1303120321. The next prime is 1303120331. The reversal of 1303120323 is 3230213031.

1303120323 is a `hidden beast` number, since 1 + 30 + 312 + 0 + 323 = 666.

It is not a de Polignac number, because 1303120323 - 2¹ = 1303120321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303120296 and 1303120305.

It is not an unprimeable number, because it can be changed into a prime (1303120321) 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, 123 + ... + 51051.

It is an arithmetic number, because the mean of its divisors is an integer number (156915330).

Almost surely, 2^1303120323 is an apocalyptic number.

1303120323 is a deficient number, since it is larger than the sum of its proper divisors (579863637).

1303120323 is a wasteful number, since it uses less digits than its factorization.

1303120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53778 (or 53775 counting only the distinct ones).

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

The square root of 1303120323 is about 36098.7579149200. The cubic root of 1303120323 is about 1092.2653900513.

Adding to 1303120323 its reverse (3230213031), we get a palindrome (4533333354).

The spelling of 1303120323 in words is "one billion, three hundred three million, one hundred twenty thousand, three hundred twenty-three".