123313303553044 has 24 divisors (see below), whose sum is σ = 235417615167168. Its totient is φ = 56051190095040.

The previous prime is 123313303552997. The next prime is 123313303553057. The reversal of 123313303553044 is 440355303313321.

It is a junction number, because it is equal to n+sod(n) for n = 123313303552988 and 123313303553006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313537 + ... + 15707479.

It is an arithmetic number, because the mean of its divisors is an integer number (9809067298632).

Almost surely, 2^{123313303553044} is an apocalyptic number.

It is an amenable number.

123313303553044 is a deficient number, since it is larger than the sum of its proper divisors (112104311614124).

123313303553044 is a wasteful number, since it uses less digits than its factorization.

123313303553044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15576015 (or 15576013 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 40.

Adding to 123313303553044 its reverse (440355303313321), we get a palindrome (563668606866365).

The spelling of 123313303553044 in words is "one hundred twenty-three trillion, three hundred thirteen billion, three hundred three million, five hundred fifty-three thousand, forty-four".