233494557912 has 192 divisors, whose sum is σ = 790312723200. Its totient is φ = 60502590720.

The previous prime is 233494557859. The next prime is 233494557917. The reversal of 233494557912 is 219755494332.

It is a happy number.

233494557912 is a `hidden beast` number, since 2 + 33 + 49 + 4 + 557 + 9 + 12 = 666.

233494557912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233494557917) 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, 2272678 + ... + 2373194.

It is an arithmetic number, because the mean of its divisors is an integer number (4116212100).

Almost surely, 2^233494557912 is an apocalyptic number.

233494557912 is a gapful number since it is divisible by the number (22) 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 233494557912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395156361600).

233494557912 is an abundant number, since it is smaller than the sum of its proper divisors (556818165288).

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

233494557912 is a wasteful number, since it uses less digits than its factorization.

233494557912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100966 (or 100959 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 233494557912 in words is "two hundred thirty-three billion, four hundred ninety-four million, five hundred fifty-seven thousand, nine hundred twelve".