123103135221067 has 2 divisors, whose sum is σ = 123103135221068. Its totient is φ = 123103135221066.

The previous prime is 123103135220987. The next prime is 123103135221151. The reversal of 123103135221067 is 760122531301321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123103135221067 - 2⁷ = 123103135220939 is a prime.

It is not a weakly prime, because it can be changed into another prime (123103135281067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551567610533 + 61551567610534.

It is an arithmetic number, because the mean of its divisors is an integer number (61551567610534).

Almost surely, 2^{123103135221067} is an apocalyptic number.

123103135221067 is a deficient number, since it is larger than the sum of its proper divisors (1).

123103135221067 is an equidigital number, since it uses as much as digits as its factorization.

123103135221067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

Adding to 123103135221067 its reverse (760122531301321), we get a palindrome (883225666522388).

The spelling of 123103135221067 in words is "one hundred twenty-three trillion, one hundred three billion, one hundred thirty-five million, two hundred twenty-one thousand, sixty-seven".