1303123307 has 2 divisors, whose sum is σ = 1303123308. Its totient is φ = 1303123306.

The previous prime is 1303123291. The next prime is 1303123309. The reversal of 1303123307 is 7033213031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1303123307 - 2⁴ = 1303123291 is a prime.

Together with 1303123309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1303123309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651561653 + 651561654.

It is an arithmetic number, because the mean of its divisors is an integer number (651561654).

Almost surely, 2^1303123307 is an apocalyptic number.

1303123307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303123307 is an equidigital number, since it uses as much as digits as its factorization.

1303123307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 1303123307 is about 36098.7992459583. The cubic root of 1303123307 is about 1092.2662237726.

Adding to 1303123307 its reverse (7033213031), we get a palindrome (8336336338).

The spelling of 1303123307 in words is "one billion, three hundred three million, one hundred twenty-three thousand, three hundred seven".