10203213103123 has 2 divisors, whose sum is σ = 10203213103124. Its totient is φ = 10203213103122.

The previous prime is 10203213103099. The next prime is 10203213103189. The reversal of 10203213103123 is 32130131230201.

It is a weak prime.

It is an emirp because it is prime and its reverse (32130131230201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10203213103123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10203213103094 and 10203213103103.

It is not a weakly prime, because it can be changed into another prime (10203813103123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101606551561 + 5101606551562.

It is an arithmetic number, because the mean of its divisors is an integer number (5101606551562).

Almost surely, 2^{10203213103123} is an apocalyptic number.

10203213103123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203213103123 is an equidigital number, since it uses as much as digits as its factorization.

10203213103123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 10203213103123 its reverse (32130131230201), we get a palindrome (42333344333324).

The spelling of 10203213103123 in words is "ten trillion, two hundred three billion, two hundred thirteen million, one hundred three thousand, one hundred twenty-three".