123103131303 has 4 divisors (see below), whose sum is σ = 164137508408. Its totient is φ = 82068754200.

The previous prime is 123103131301. The next prime is 123103131329. The reversal of 123103131303 is 303131301321.

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

It is not a de Polignac number, because 123103131303 - 2¹ = 123103131301 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 123103131303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123103131301) 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 in 3 ways as a sum of consecutive naturals, for example, 20517188548 + ... + 20517188553.

It is an arithmetic number, because the mean of its divisors is an integer number (41034377102).

Almost surely, 2^123103131303 is an apocalyptic number.

123103131303 is a deficient number, since it is larger than the sum of its proper divisors (41034377105).

123103131303 is an equidigital number, since it uses as much as digits as its factorization.

123103131303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41034377104.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 123103131303 its reverse (303131301321), we get a palindrome (426234432624).

The spelling of 123103131303 in words is "one hundred twenty-three billion, one hundred three million, one hundred thirty-one thousand, three hundred three".