101123203103103 has 4 divisors (see below), whose sum is σ = 134830937470808. Its totient is φ = 67415468735400.

The previous prime is 101123203103023. The next prime is 101123203103119. The reversal of 101123203103103 is 301301302321101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-101123203103103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101123203103103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123203103123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16853867183848 + ... + 16853867183853.

It is an arithmetic number, because the mean of its divisors is an integer number (33707734367702).

Almost surely, 2^{101123203103103} is an apocalyptic number.

101123203103103 is a deficient number, since it is larger than the sum of its proper divisors (33707734367705).

101123203103103 is an equidigital number, since it uses as much as digits as its factorization.

101123203103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33707734367704.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 101123203103103 its reverse (301301302321101), we get a palindrome (402424505424204).

The spelling of 101123203103103 in words is "one hundred one trillion, one hundred twenty-three billion, two hundred three million, one hundred three thousand, one hundred three".