123917650848 has 192 divisors, whose sum is σ = 371536502400. Its totient is φ = 40157521920.

The previous prime is 123917650817. The next prime is 123917650897. The reversal of 123917650848 is 848056719321.

123917650848 is a `hidden beast` number, since 1 + 2 + 3 + 91 + 7 + 6 + 508 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 123917650794 and 123917650803.

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, 10373263 + ... + 10385201.

It is an arithmetic number, because the mean of its divisors is an integer number (1935085950).

It is a 2-persistent number, because it is pandigital, and so is 2⋅123917650848 = 247835301696, but 3⋅123917650848 = 371752952544 is not.

Almost surely, 2^123917650848 is an apocalyptic number.

123917650848 is a gapful number since it is divisible by the number (18) 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 123917650848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185768251200).

123917650848 is an abundant number, since it is smaller than the sum of its proper divisors (247618851552).

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

123917650848 is a wasteful number, since it uses less digits than its factorization.

123917650848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12292 (or 12278 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 123917650848 in words is "one hundred twenty-three billion, nine hundred seventeen million, six hundred fifty thousand, eight hundred forty-eight".