123013330304 has 64 divisors (see below), whose sum is σ = 255072726000. Its totient is φ = 59021125632.

The previous prime is 123013330291. The next prime is 123013330381. The reversal of 123013330304 is 403033310321.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 123013330304.

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, 503402 + ... + 706710.

Almost surely, 2^123013330304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123013330304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127536363000).

123013330304 is an abundant number, since it is smaller than the sum of its proper divisors (132059395696).

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

123013330304 is a wasteful number, since it uses less digits than its factorization.

123013330304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203515 (or 203503 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 123013330304 its reverse (403033310321), we get a palindrome (526046640625).

The spelling of 123013330304 in words is "one hundred twenty-three billion, thirteen million, three hundred thirty thousand, three hundred four".