123315104404 has 6 divisors (see below), whose sum is σ = 215801432714. Its totient is φ = 61657552200.

The previous prime is 123315104389. The next prime is 123315104443. The reversal of 123315104404 is 404401513321.

It can be written as a sum of positive squares in only one way, i.e., 61875567504 + 61439536900 = 248748^2 + 247870^2 .

It is a super-2 number, since 2×123315104404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15414388047 + ... + 15414388054.

Almost surely, 2^123315104404 is an apocalyptic number.

It is an amenable number.

123315104404 is a deficient number, since it is larger than the sum of its proper divisors (92486328310).

123315104404 is a wasteful number, since it uses less digits than its factorization.

123315104404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30828776105 (or 30828776103 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 123315104404 its reverse (404401513321), we get a palindrome (527716617725).

The spelling of 123315104404 in words is "one hundred twenty-three billion, three hundred fifteen million, one hundred four thousand, four hundred four".