123797784000 has 448 divisors, whose sum is σ = 447787971072. Its totient is φ = 29887488000.

The previous prime is 123797783951. The next prime is 123797784001. The reversal of 123797784000 is 487797321.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123797784001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74711172 + ... + 74712828.

Almost surely, 2^123797784000 is an apocalyptic number.

123797784000 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 123797784000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223893985536).

123797784000 is an abundant number, since it is smaller than the sum of its proper divisors (323990187072).

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

123797784000 is a wasteful number, since it uses less digits than its factorization.

123797784000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1961 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 123797784000 in words is "one hundred twenty-three billion, seven hundred ninety-seven million, seven hundred eighty-four thousand".