1303343123 has 2 divisors, whose sum is σ = 1303343124. Its totient is φ = 1303343122.

The previous prime is 1303343113. The next prime is 1303343189. The reversal of 1303343123 is 3213433031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303343123 - 2¹⁶ = 1303277587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303343113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651671561 + 651671562.

It is an arithmetic number, because the mean of its divisors is an integer number (651671562).

Almost surely, 2^1303343123 is an apocalyptic number.

1303343123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303343123 is an equidigital number, since it uses as much as digits as its factorization.

1303343123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 1303343123 is about 36101.8437617804. The cubic root of 1303343123 is about 1092.3276362504.

Adding to 1303343123 its reverse (3213433031), we get a palindrome (4516776154).

The spelling of 1303343123 in words is "one billion, three hundred three million, three hundred forty-three thousand, one hundred twenty-three".