123200204047 has 2 divisors, whose sum is σ = 123200204048. Its totient is φ = 123200204046.

The previous prime is 123200203967. The next prime is 123200204119. The reversal of 123200204047 is 740402002321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123200204047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123200204747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600102023 + 61600102024.

It is an arithmetic number, because the mean of its divisors is an integer number (61600102024).

Almost surely, 2^123200204047 is an apocalyptic number.

123200204047 is a deficient number, since it is larger than the sum of its proper divisors (1).

123200204047 is an equidigital number, since it uses as much as digits as its factorization.

123200204047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 123200204047 its reverse (740402002321), we get a palindrome (863602206368).

The spelling of 123200204047 in words is "one hundred twenty-three billion, two hundred million, two hundred four thousand, forty-seven".