123448320000 has 1120 divisors, whose sum is σ = 491332723200. Its totient is φ = 30523392000.

The previous prime is 123448319947. The next prime is 123448320007. The reversal of 123448320000 is 23844321.

123448320000 is a `hidden beast` number, since 12 + 3 + 448 + 3 + 200 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123448320007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2626559977 + ... + 2626560023.

Almost surely, 2^123448320000 is an apocalyptic number.

123448320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123448320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245666361600).

123448320000 is an abundant number, since it is smaller than the sum of its proper divisors (367884403200).

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

123448320000 is an frugal number, since it uses more digits than its factorization.

123448320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 123448320000 in words is "one hundred twenty-three billion, four hundred forty-eight million, three hundred twenty thousand".