201301100123 has 2 divisors, whose sum is σ = 201301100124. Its totient is φ = 201301100122.

The previous prime is 201301100113. The next prime is 201301100267. The reversal of 201301100123 is 321001103102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201301100123 - 2⁶ = 201301100059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201301100098 and 201301100107.

It is not a weakly prime, because it can be changed into another prime (201301100113) 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, 100650550061 + 100650550062.

It is an arithmetic number, because the mean of its divisors is an integer number (100650550062).

Almost surely, 2^201301100123 is an apocalyptic number.

201301100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201301100123 is an equidigital number, since it uses as much as digits as its factorization.

201301100123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 201301100123 its reverse (321001103102), we get a palindrome (522302203225).

The spelling of 201301100123 in words is "two hundred one billion, three hundred one million, one hundred thousand, one hundred twenty-three".