123303111231303 has 12 divisors (see below), whose sum is σ = 178574426707560. Its totient is φ = 81985182135696.

The previous prime is 123303111231259. The next prime is 123303111231319. The reversal of 123303111231303 is 303132111303321.

123303111231303 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 0 + 311 + 12 + 31 + 303 = 666.

It is not a de Polignac number, because 123303111231303 - 2⁶ = 123303111231239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123303111231103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18074331276 + ... + 18074338097.

It is an arithmetic number, because the mean of its divisors is an integer number (14881202225630).

Almost surely, 2^{123303111231303} is an apocalyptic number.

123303111231303 is a deficient number, since it is larger than the sum of its proper divisors (55271315476257).

123303111231303 is a wasteful number, since it uses less digits than its factorization.

123303111231303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36148669758 (or 36148669755 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 123303111231303 its reverse (303132111303321), we get a palindrome (426435222534624).

The spelling of 123303111231303 in words is "one hundred twenty-three trillion, three hundred three billion, one hundred eleven million, two hundred thirty-one thousand, three hundred three".