123110147 has 2 divisors, whose sum is σ = 123110148. Its totient is φ = 123110146.

The previous prime is 123110093. The next prime is 123110173. The reversal of 123110147 is 741011321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123110147 - 2⁸ = 123109891 is a prime.

It is a super-2 number, since 2×123110147² = 30312216588723218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123110347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61555073 + 61555074.

It is an arithmetic number, because the mean of its divisors is an integer number (61555074).

Almost surely, 2^123110147 is an apocalyptic number.

123110147 is a deficient number, since it is larger than the sum of its proper divisors (1).

123110147 is an equidigital number, since it uses as much as digits as its factorization.

123110147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 123110147 is about 11095.5012054436. The cubic root of 123110147 is about 497.4673894266.

Adding to 123110147 its reverse (741011321), we get a palindrome (864121468).

The spelling of 123110147 in words is "one hundred twenty-three million, one hundred ten thousand, one hundred forty-seven".