523505031103 has 2 divisors, whose sum is σ = 523505031104. Its totient is φ = 523505031102.

The previous prime is 523505031097. The next prime is 523505031121. The reversal of 523505031103 is 301130505325.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523505031103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523505031143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261752515551 + 261752515552.

It is an arithmetic number, because the mean of its divisors is an integer number (261752515552).

Almost surely, 2^523505031103 is an apocalyptic number.

523505031103 is a deficient number, since it is larger than the sum of its proper divisors (1).

523505031103 is an equidigital number, since it uses as much as digits as its factorization.

523505031103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 523505031103 its reverse (301130505325), we get a palindrome (824635536428).

The spelling of 523505031103 in words is "five hundred twenty-three billion, five hundred five million, thirty-one thousand, one hundred three".