234233423240 has 128 divisors (see below), whose sum is σ = 554718447360. Its totient is φ = 88844304384.

The previous prime is 234233423227. The next prime is 234233423287. The reversal of 234233423240 is 42324332432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 234233423197 and 234233423206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54508772 + ... + 54513068.

It is an arithmetic number, because the mean of its divisors is an integer number (4333737870).

Almost surely, 2^234233423240 is an apocalyptic number.

234233423240 is a gapful number since it is divisible by the number (20) 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 234233423240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277359223680).

234233423240 is an abundant number, since it is smaller than the sum of its proper divisors (320485024120).

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

234233423240 is a wasteful number, since it uses less digits than its factorization.

234233423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831 (or 4827 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 234233423240 its reverse (42324332432), we get a palindrome (276557755672).

The spelling of 234233423240 in words is "two hundred thirty-four billion, two hundred thirty-three million, four hundred twenty-three thousand, two hundred forty".