234423532144 has 20 divisors (see below), whose sum is σ = 468847065280. Its totient is φ = 113430741120.

The previous prime is 234423532121. The next prime is 234423532151. The reversal of 234423532144 is 441235324432.

It is a happy number.

234423532144 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236313549 + ... + 236314540.

It is an arithmetic number, because the mean of its divisors is an integer number (23442353264).

Almost surely, 2^234423532144 is an apocalyptic number.

It is an amenable number.

234423532144 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

234423532144 is a wasteful number, since it uses less digits than its factorization.

234423532144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472628128 (or 472628122 counting only the distinct ones).

The product of its digits is 276480, while the sum is 37.

Adding to 234423532144 its reverse (441235324432), we get a palindrome (675658856576).

The spelling of 234423532144 in words is "two hundred thirty-four billion, four hundred twenty-three million, five hundred thirty-two thousand, one hundred forty-four".