123415163 has 2 divisors, whose sum is σ = 123415164. Its totient is φ = 123415162.

The previous prime is 123415153. The next prime is 123415211. The reversal of 123415163 is 361514321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123415163 - 2⁶ = 123415099 is a prime.

It is not a weakly prime, because it can be changed into another prime (123415153) 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, 61707581 + 61707582.

It is an arithmetic number, because the mean of its divisors is an integer number (61707582).

Almost surely, 2^123415163 is an apocalyptic number.

123415163 is a deficient number, since it is larger than the sum of its proper divisors (1).

123415163 is an equidigital number, since it uses as much as digits as its factorization.

123415163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 123415163 is about 11109.2377326259. The cubic root of 123415163 is about 497.8778900408.

Adding to 123415163 its reverse (361514321), we get a palindrome (484929484).

The spelling of 123415163 in words is "one hundred twenty-three million, four hundred fifteen thousand, one hundred sixty-three".