123313110163 has 2 divisors, whose sum is σ = 123313110164. Its totient is φ = 123313110162.

The previous prime is 123313110161. The next prime is 123313110229. The reversal of 123313110163 is 361011313321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123313110163 - 2¹ = 123313110161 is a prime.

It is a super-2 number, since 2×123313110163² (a number of 23 digits) contains 22 as substring.

Together with 123313110161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (123313110161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61656555081 + 61656555082.

It is an arithmetic number, because the mean of its divisors is an integer number (61656555082).

Almost surely, 2^123313110163 is an apocalyptic number.

123313110163 is a deficient number, since it is larger than the sum of its proper divisors (1).

123313110163 is an equidigital number, since it uses as much as digits as its factorization.

123313110163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 123313110163 its reverse (361011313321), we get a palindrome (484324423484).

The spelling of 123313110163 in words is "one hundred twenty-three billion, three hundred thirteen million, one hundred ten thousand, one hundred sixty-three".