1303120023173 has 2 divisors, whose sum is σ = 1303120023174. Its totient is φ = 1303120023172.

The previous prime is 1303120023143. The next prime is 1303120023203. The reversal of 1303120023173 is 3713200213031.

It is a balanced prime because it is at equal distance from previous prime (1303120023143) and next prime (1303120023203).

It can be written as a sum of positive squares in only one way, i.e., 1198339627969 + 104780395204 = 1094687^2 + 323698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303120023173 - 2⁶ = 1303120023109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303120023143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651560011586 + 651560011587.

It is an arithmetic number, because the mean of its divisors is an integer number (651560011587).

Almost surely, 2^{1303120023173} is an apocalyptic number.

It is an amenable number.

1303120023173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303120023173 is an equidigital number, since it uses as much as digits as its factorization.

1303120023173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The spelling of 1303120023173 in words is "one trillion, three hundred three billion, one hundred twenty million, twenty-three thousand, one hundred seventy-three".