201144140123 has 2 divisors, whose sum is σ = 201144140124. Its totient is φ = 201144140122.

The previous prime is 201144140089. The next prime is 201144140137. The reversal of 201144140123 is 321041441102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201144140123 - 2¹⁰ = 201144139099 is a prime.

It is not a weakly prime, because it can be changed into another prime (201144140023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100572070061 + 100572070062.

It is an arithmetic number, because the mean of its divisors is an integer number (100572070062).

Almost surely, 2^201144140123 is an apocalyptic number.

201144140123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201144140123 is an equidigital number, since it uses as much as digits as its factorization.

201144140123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 201144140123 its reverse (321041441102), we get a palindrome (522185581225).

The spelling of 201144140123 in words is "two hundred one billion, one hundred forty-four million, one hundred forty thousand, one hundred twenty-three".