123315300453444 has 96 divisors (see below), whose sum is σ = 318901186598400. Its totient is φ = 36776423132160.

The previous prime is 123315300453419. The next prime is 123315300453479. The reversal of 123315300453444 is 444354003513321.

It is a super-2 number, since 2×123315300453444² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123315300453396 and 123315300453405.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24610314 + ... + 29194145.

It is an arithmetic number, because the mean of its divisors is an integer number (3321887360400).

Almost surely, 2^{123315300453444} is an apocalyptic number.

It is an amenable number.

123315300453444 is an abundant number, since it is smaller than the sum of its proper divisors (195585886144956).

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

123315300453444 is a wasteful number, since it uses less digits than its factorization.

123315300453444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53804753 (or 53804751 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 123315300453444 its reverse (444354003513321), we get a palindrome (567669303966765).

The spelling of 123315300453444 in words is "one hundred twenty-three trillion, three hundred fifteen billion, three hundred million, four hundred fifty-three thousand, four hundred forty-four".