201340232434 has 8 divisors (see below), whose sum is σ = 329465834928. Its totient is φ = 91518287460.

The previous prime is 201340232407. The next prime is 201340232437. The reversal of 201340232434 is 434232043102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (201340232437) 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 3 ways as a sum of consecutive naturals, for example, 4575914352 + ... + 4575914395.

It is an arithmetic number, because the mean of its divisors is an integer number (41183229366).

Almost surely, 2^201340232434 is an apocalyptic number.

201340232434 is a deficient number, since it is larger than the sum of its proper divisors (128125602494).

201340232434 is a wasteful number, since it uses less digits than its factorization.

201340232434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151828760.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 201340232434 its reverse (434232043102), we get a palindrome (635572275536).

The spelling of 201340232434 in words is "two hundred one billion, three hundred forty million, two hundred thirty-two thousand, four hundred thirty-four".