123011321303004 has 12 divisors (see below), whose sum is σ = 287026416373704. Its totient is φ = 41003773767664.

The previous prime is 123011321302979. The next prime is 123011321303011. The reversal of 123011321303004 is 400303123110321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5125471720947 + ... + 5125471720970.

It is an arithmetic number, because the mean of its divisors is an integer number (23918868031142).

Almost surely, 2^{123011321303004} is an apocalyptic number.

It is an amenable number.

123011321303004 is an abundant number, since it is smaller than the sum of its proper divisors (164015095070700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123011321303004 is a wasteful number, since it uses less digits than its factorization.

123011321303004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250943441924 (or 10250943441922 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123011321303004 its reverse (400303123110321), we get a palindrome (523314444413325).

The spelling of 123011321303004 in words is "one hundred twenty-three trillion, eleven billion, three hundred twenty-one million, three hundred three thousand, four".