163415123 has 2 divisors, whose sum is σ = 163415124. Its totient is φ = 163415122.

The previous prime is 163415117. The next prime is 163415129. The reversal of 163415123 is 321514361.

163415123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (163415117) and next prime (163415129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163415123 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 163415092 and 163415101.

It is not a weakly prime, because it can be changed into another prime (163415129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81707561 + 81707562.

It is an arithmetic number, because the mean of its divisors is an integer number (81707562).

Almost surely, 2^163415123 is an apocalyptic number.

163415123 is a deficient number, since it is larger than the sum of its proper divisors (1).

163415123 is an equidigital number, since it uses as much as digits as its factorization.

163415123 is an evil number, because the sum of its binary digits is even.

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

The square root of 163415123 is about 12783.3924683552. The cubic root of 163415123 is about 546.7188925334.

Adding to 163415123 its reverse (321514361), we get a palindrome (484929484).

The spelling of 163415123 in words is "one hundred sixty-three million, four hundred fifteen thousand, one hundred twenty-three".