200201002123 has 2 divisors, whose sum is σ = 200201002124. Its totient is φ = 200201002122.

The previous prime is 200201002103. The next prime is 200201002139. The reversal of 200201002123 is 321200102002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200201002123 is a prime.

It is not a weakly prime, because it can be changed into another prime (200201002103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100501061 + 100100501062.

It is an arithmetic number, because the mean of its divisors is an integer number (100100501062).

Almost surely, 2^200201002123 is an apocalyptic number.

200201002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201002123 is an equidigital number, since it uses as much as digits as its factorization.

200201002123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 200201002123 its reverse (321200102002), we get a palindrome (521401104125).

The spelling of 200201002123 in words is "two hundred billion, two hundred one million, two thousand, one hundred twenty-three".