234743494128 has 160 divisors (see below), whose sum is σ = 715424209920. Its totient is φ = 65387320320.

The previous prime is 234743494109. The next prime is 234743494199. The reversal of 234743494128 is 821494347432.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1568950 + ... + 1712042.

It is an arithmetic number, because the mean of its divisors is an integer number (4471401312).

Almost surely, 2^234743494128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234743494128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357712104960).

234743494128 is an abundant number, since it is smaller than the sum of its proper divisors (480680715792).

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

234743494128 is a wasteful number, since it uses less digits than its factorization.

234743494128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143367 (or 143361 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 51.

The spelling of 234743494128 in words is "two hundred thirty-four billion, seven hundred forty-three million, four hundred ninety-four thousand, one hundred twenty-eight".