123254301647 has 2 divisors, whose sum is σ = 123254301648. Its totient is φ = 123254301646.

The previous prime is 123254301641. The next prime is 123254301673. The reversal of 123254301647 is 746103452321.

It is a weak prime.

It is an emirp because it is prime and its reverse (746103452321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123254301647 - 2⁴ = 123254301631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123254301647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123254301641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61627150823 + 61627150824.

It is an arithmetic number, because the mean of its divisors is an integer number (61627150824).

Almost surely, 2^123254301647 is an apocalyptic number.

123254301647 is a deficient number, since it is larger than the sum of its proper divisors (1).

123254301647 is an equidigital number, since it uses as much as digits as its factorization.

123254301647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 123254301647 its reverse (746103452321), we get a palindrome (869357753968).

The spelling of 123254301647 in words is "one hundred twenty-three billion, two hundred fifty-four million, three hundred one thousand, six hundred forty-seven".