123088535712 has 168 divisors, whose sum is σ = 369491885280. Its totient is φ = 40333645440.

The previous prime is 123088535711. The next prime is 123088535747. The reversal of 123088535712 is 217535880321.

123088535712 is a `hidden beast` number, since 1 + 2 + 30 + 88 + 535 + 7 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (123088535711) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1331637 + ... + 1421067.

It is an arithmetic number, because the mean of its divisors is an integer number (2199356460).

Almost surely, 2^123088535712 is an apocalyptic number.

123088535712 is a gapful number since it is divisible by the number (12) 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 123088535712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184745942640).

123088535712 is an abundant number, since it is smaller than the sum of its proper divisors (246403349568).

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

123088535712 is an frugal number, since it uses more digits than its factorization.

123088535712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89518 (or 89495 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 123088535712 in words is "one hundred twenty-three billion, eighty-eight million, five hundred thirty-five thousand, seven hundred twelve".