123019159068 has 144 divisors (see below), whose sum is σ = 342987380736. Its totient is φ = 36937918080.

The previous prime is 123019159061. The next prime is 123019159073. The reversal of 123019159068 is 860951910321.

123019159068 is a `hidden beast` number, since 12 + 30 + 19 + 1 + 590 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123019159061) 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, 29922333 + ... + 29926443.

Almost surely, 2^123019159068 is an apocalyptic number.

123019159068 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 123019159068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171493690368).

123019159068 is an abundant number, since it is smaller than the sum of its proper divisors (219968221668).

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

123019159068 is a wasteful number, since it uses less digits than its factorization.

123019159068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664 (or 5659 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 123019159068 in words is "one hundred twenty-three billion, nineteen million, one hundred fifty-nine thousand, sixty-eight".