123265104247 has 2 divisors, whose sum is σ = 123265104248. Its totient is φ = 123265104246.

The previous prime is 123265104223. The next prime is 123265104269. The reversal of 123265104247 is 742401562321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123265104247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123265174247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61632552123 + 61632552124.

It is an arithmetic number, because the mean of its divisors is an integer number (61632552124).

Almost surely, 2^123265104247 is an apocalyptic number.

123265104247 is a deficient number, since it is larger than the sum of its proper divisors (1).

123265104247 is an equidigital number, since it uses as much as digits as its factorization.

123265104247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 123265104247 its reverse (742401562321), we get a palindrome (865666666568).

The spelling of 123265104247 in words is "one hundred twenty-three billion, two hundred sixty-five million, one hundred four thousand, two hundred forty-seven".