234433143136 has 96 divisors (see below), whose sum is σ = 485015731200. Its totient is φ = 111394967040.

The previous prime is 234433143097. The next prime is 234433143143. The reversal of 234433143136 is 631341334432.

It is a junction number, because it is equal to n+sod(n) for n = 234433143095 and 234433143104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83635111 + ... + 83637913.

It is an arithmetic number, because the mean of its divisors is an integer number (5052247200).

Almost surely, 2^234433143136 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 234433143136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242507865600).

234433143136 is an abundant number, since it is smaller than the sum of its proper divisors (250582588064).

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

234433143136 is a wasteful number, since it uses less digits than its factorization.

234433143136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332 (or 4324 counting only the distinct ones).

The product of its digits is 186624, while the sum is 37.

Adding to 234433143136 its reverse (631341334432), we get a palindrome (865774477568).

The spelling of 234433143136 in words is "two hundred thirty-four billion, four hundred thirty-three million, one hundred forty-three thousand, one hundred thirty-six".