203144224144123 has 2 divisors, whose sum is σ = 203144224144124. Its totient is φ = 203144224144122.

The previous prime is 203144224144111. The next prime is 203144224144153. The reversal of 203144224144123 is 321441422441302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203144224144123 - 2¹⁷ = 203144224013051 is a prime.

It is not a weakly prime, because it can be changed into another prime (203144224144153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101572112072061 + 101572112072062.

It is an arithmetic number, because the mean of its divisors is an integer number (101572112072062).

Almost surely, 2^{203144224144123} is an apocalyptic number.

203144224144123 is a deficient number, since it is larger than the sum of its proper divisors (1).

203144224144123 is an equidigital number, since it uses as much as digits as its factorization.

203144224144123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 203144224144123 its reverse (321441422441302), we get a palindrome (524585646585425).

The spelling of 203144224144123 in words is "two hundred three trillion, one hundred forty-four billion, two hundred twenty-four million, one hundred forty-four thousand, one hundred twenty-three".