207130000123 has 2 divisors, whose sum is σ = 207130000124. Its totient is φ = 207130000122.

The previous prime is 207130000087. The next prime is 207130000127. The reversal of 207130000123 is 321000031702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 207130000123 - 2³³ = 198540065531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 207130000123.

It is not a weakly prime, because it can be changed into another prime (207130000127) 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, 103565000061 + 103565000062.

It is an arithmetic number, because the mean of its divisors is an integer number (103565000062).

Almost surely, 2^207130000123 is an apocalyptic number.

207130000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

207130000123 is an equidigital number, since it uses as much as digits as its factorization.

207130000123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 207130000123 its reverse (321000031702), we get a palindrome (528130031825).

The spelling of 207130000123 in words is "two hundred seven billion, one hundred thirty million, one hundred twenty-three", and thus it is an aban number.