234305202221340 has 48 divisors (see below), whose sum is σ = 662550156001440. Its totient is φ = 61862759660800.

The previous prime is 234305202221323. The next prime is 234305202221347. The reversal of 234305202221340 is 43122202503432.

234305202221340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234305202221347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19332106335 + ... + 19332118454.

It is an arithmetic number, because the mean of its divisors is an integer number (13803128250030).

Almost surely, 2^{234305202221340} is an apocalyptic number.

234305202221340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234305202221340 is an abundant number, since it is smaller than the sum of its proper divisors (428244953780100).

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

234305202221340 is a wasteful number, since it uses less digits than its factorization.

234305202221340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38664224902 (or 38664224900 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 234305202221340 its reverse (43122202503432), we get a palindrome (277427404724772).

The spelling of 234305202221340 in words is "two hundred thirty-four trillion, three hundred five billion, two hundred two million, two hundred twenty-one thousand, three hundred forty".