123310001317 has 2 divisors, whose sum is σ = 123310001318. Its totient is φ = 123310001316.

The previous prime is 123310001299. The next prime is 123310001323. The reversal of 123310001317 is 713100013321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117666836676 + 5643164641 = 343026^2 + 75121^2 .

It is a cyclic number.

It is not a de Polignac number, because 123310001317 - 2¹⁹ = 123309477029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123310002317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61655000658 + 61655000659.

It is an arithmetic number, because the mean of its divisors is an integer number (61655000659).

Almost surely, 2^123310001317 is an apocalyptic number.

It is an amenable number.

123310001317 is a deficient number, since it is larger than the sum of its proper divisors (1).

123310001317 is an equidigital number, since it uses as much as digits as its factorization.

123310001317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

Adding to 123310001317 its reverse (713100013321), we get a palindrome (836410014638).

The spelling of 123310001317 in words is "one hundred twenty-three billion, three hundred ten million, one thousand, three hundred seventeen".