123684206880 has 192 divisors, whose sum is σ = 419874053760. Its totient is φ = 30423638016.

The previous prime is 123684206857. The next prime is 123684206897. The reversal of 123684206880 is 88602486321.

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

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, 9846684 + ... + 9859236.

It is an arithmetic number, because the mean of its divisors is an integer number (2186844030).

Almost surely, 2^123684206880 is an apocalyptic number.

123684206880 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 123684206880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209937026880).

123684206880 is an abundant number, since it is smaller than the sum of its proper divisors (296189846880).

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

123684206880 is a wasteful number, since it uses less digits than its factorization.

123684206880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14163 (or 14155 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 123684206880 in words is "one hundred twenty-three billion, six hundred eighty-four million, two hundred six thousand, eight hundred eighty".