2103505320523 has 2 divisors, whose sum is σ = 2103505320524. Its totient is φ = 2103505320522.

The previous prime is 2103505320481. The next prime is 2103505320529. The reversal of 2103505320523 is 3250235053012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2103505320523 - 2¹³ = 2103505312331 is a prime.

It is not a weakly prime, because it can be changed into another prime (2103505320529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051752660261 + 1051752660262.

It is an arithmetic number, because the mean of its divisors is an integer number (1051752660262).

Almost surely, 2^{2103505320523} is an apocalyptic number.

2103505320523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103505320523 is an equidigital number, since it uses as much as digits as its factorization.

2103505320523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 2103505320523 in words is "two trillion, one hundred three billion, five hundred five million, three hundred twenty thousand, five hundred twenty-three".