123559007821848 has 192 divisors, whose sum is σ = 339025766302080. Its totient is φ = 40649695027200.

The previous prime is 123559007821841. The next prime is 123559007821861. The reversal of 123559007821848 is 848128700955321.

123559007821848 is a `hidden beast` number, since 1 + 2 + 3 + 559 + 0 + 0 + 78 + 2 + 1 + 8 + 4 + 8 = 666.

It is a super-2 number, since 2×123559007821848² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123559007821841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3619062858 + ... + 3619096998.

It is an arithmetic number, because the mean of its divisors is an integer number (1765759199490).

Almost surely, 2^{123559007821848} is an apocalyptic number.

123559007821848 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 123559007821848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169512883151040).

123559007821848 is an abundant number, since it is smaller than the sum of its proper divisors (215466758480232).

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

123559007821848 is a wasteful number, since it uses less digits than its factorization.

123559007821848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36130 (or 36123 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 63.

The spelling of 123559007821848 in words is "one hundred twenty-three trillion, five hundred fifty-nine billion, seven million, eight hundred twenty-one thousand, eight hundred forty-eight".