123017260147 has 2 divisors, whose sum is σ = 123017260148. Its totient is φ = 123017260146.

The previous prime is 123017260129. The next prime is 123017260187. The reversal of 123017260147 is 741062710321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123017260147 is a prime.

It is not a weakly prime, because it can be changed into another prime (123017260187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61508630073 + 61508630074.

It is an arithmetic number, because the mean of its divisors is an integer number (61508630074).

Almost surely, 2^123017260147 is an apocalyptic number.

123017260147 is a deficient number, since it is larger than the sum of its proper divisors (1).

123017260147 is an equidigital number, since it uses as much as digits as its factorization.

123017260147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

Adding to 123017260147 its reverse (741062710321), we get a palindrome (864079970468).

The spelling of 123017260147 in words is "one hundred twenty-three billion, seventeen million, two hundred sixty thousand, one hundred forty-seven".