123004311303 has 16 divisors (see below), whose sum is σ = 164225037536. Its totient is φ = 81893306880.

The previous prime is 123004311293. The next prime is 123004311361. The reversal of 123004311303 is 303113400321.

It is not a de Polignac number, because 123004311303 - 2⁵ = 123004311271 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 123004311303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123004311103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7652451 + ... + 7668507.

It is an arithmetic number, because the mean of its divisors is an integer number (10264064846).

Almost surely, 2^123004311303 is an apocalyptic number.

123004311303 is a deficient number, since it is larger than the sum of its proper divisors (41220726233).

123004311303 is a wasteful number, since it uses less digits than its factorization.

123004311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19314.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123004311303 its reverse (303113400321), we get a palindrome (426117711624).

The spelling of 123004311303 in words is "one hundred twenty-three billion, four million, three hundred eleven thousand, three hundred three".