201123130907 has 2 divisors, whose sum is σ = 201123130908. Its totient is φ = 201123130906.

The previous prime is 201123130829. The next prime is 201123130909. The reversal of 201123130907 is 709031321102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201123130907 - 2¹² = 201123126811 is a prime.

Together with 201123130909, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201123130907.

It is not a weakly prime, because it can be changed into another prime (201123130909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561565453 + 100561565454.

It is an arithmetic number, because the mean of its divisors is an integer number (100561565454).

Almost surely, 2^201123130907 is an apocalyptic number.

201123130907 is a deficient number, since it is larger than the sum of its proper divisors (1).

201123130907 is an equidigital number, since it uses as much as digits as its factorization.

201123130907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 201123130907 in words is "two hundred one billion, one hundred twenty-three million, one hundred thirty thousand, nine hundred seven".