203111241334423 has 2 divisors, whose sum is σ = 203111241334424. Its totient is φ = 203111241334422.

The previous prime is 203111241334387. The next prime is 203111241334439. The reversal of 203111241334423 is 324433142111302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203111241334423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203111241334453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101555620667211 + 101555620667212.

It is an arithmetic number, because the mean of its divisors is an integer number (101555620667212).

Almost surely, 2^{203111241334423} is an apocalyptic number.

203111241334423 is a deficient number, since it is larger than the sum of its proper divisors (1).

203111241334423 is an equidigital number, since it uses as much as digits as its factorization.

203111241334423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 203111241334423 its reverse (324433142111302), we get a palindrome (527544383445725).

The spelling of 203111241334423 in words is "two hundred three trillion, one hundred eleven billion, two hundred forty-one million, three hundred thirty-four thousand, four hundred twenty-three".