123103021011317 has 2 divisors, whose sum is σ = 123103021011318. Its totient is φ = 123103021011316.

The previous prime is 123103021011263. The next prime is 123103021011353. The reversal of 123103021011317 is 713110120301321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87791390526436 + 35311630484881 = 9369706^2 + 5942359^2 .

It is a cyclic number.

It is not a de Polignac number, because 123103021011317 - 2⁶ = 123103021011253 is a prime.

It is a super-4 number, since 4×123103021011317⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123103021011617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551510505658 + 61551510505659.

It is an arithmetic number, because the mean of its divisors is an integer number (61551510505659).

Almost surely, 2^{123103021011317} is an apocalyptic number.

It is an amenable number.

123103021011317 is a deficient number, since it is larger than the sum of its proper divisors (1).

123103021011317 is an equidigital number, since it uses as much as digits as its factorization.

123103021011317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 123103021011317 its reverse (713110120301321), we get a palindrome (836213141312638).

The spelling of 123103021011317 in words is "one hundred twenty-three trillion, one hundred three billion, twenty-one million, eleven thousand, three hundred seventeen".