234324402340 has 72 divisors (see below), whose sum is σ = 572509510272. Its totient is φ = 80327378880.

The previous prime is 234324402337. The next prime is 234324402349. The reversal of 234324402340 is 43204423432.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (234324402349) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8181445 + ... + 8210035.

It is an arithmetic number, because the mean of its divisors is an integer number (7951520976).

Almost surely, 2^234324402340 is an apocalyptic number.

234324402340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234324402340 is an abundant number, since it is smaller than the sum of its proper divisors (338185107932).

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

234324402340 is a wasteful number, since it uses less digits than its factorization.

234324402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36977 (or 36968 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 234324402340 its reverse (43204423432), we get a palindrome (277528825772).

The spelling of 234324402340 in words is "two hundred thirty-four billion, three hundred twenty-four million, four hundred two thousand, three hundred forty".