203344040300123 has 2 divisors, whose sum is σ = 203344040300124. Its totient is φ = 203344040300122.

The previous prime is 203344040300113. The next prime is 203344040300129. The reversal of 203344040300123 is 321003040443302.

203344040300123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203344040300123 - 2¹² = 203344040296027 is a prime.

It is not a weakly prime, because it can be changed into another prime (203344040300129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101672020150061 + 101672020150062.

It is an arithmetic number, because the mean of its divisors is an integer number (101672020150062).

Almost surely, 2^{203344040300123} is an apocalyptic number.

203344040300123 is a deficient number, since it is larger than the sum of its proper divisors (1).

203344040300123 is an equidigital number, since it uses as much as digits as its factorization.

203344040300123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 203344040300123 its reverse (321003040443302), we get a palindrome (524347080743425).

The spelling of 203344040300123 in words is "two hundred three trillion, three hundred forty-four billion, forty million, three hundred thousand, one hundred twenty-three".