201044413123 has 2 divisors, whose sum is σ = 201044413124. Its totient is φ = 201044413122.

The previous prime is 201044413109. The next prime is 201044413169. The reversal of 201044413123 is 321314440102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201044413123 - 2¹³ = 201044404931 is a prime.

It is a super-2 number, since 2×201044413123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201044413223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522206561 + 100522206562.

It is an arithmetic number, because the mean of its divisors is an integer number (100522206562).

Almost surely, 2^201044413123 is an apocalyptic number.

201044413123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044413123 is an equidigital number, since it uses as much as digits as its factorization.

201044413123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 201044413123 its reverse (321314440102), we get a palindrome (522358853225).

The spelling of 201044413123 in words is "two hundred one billion, forty-four million, four hundred thirteen thousand, one hundred twenty-three".