201340232433 has 6 divisors (see below), whose sum is σ = 290824780194. Its totient is φ = 134226821616.

The previous prime is 201340232407. The next prime is 201340232437. The reversal of 201340232433 is 334232043102.

201340232433 is a `hidden beast` number, since 2 + 0 + 13 + 402 + 3 + 243 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 119945854224 + 81394378209 = 346332^2 + 285297^2 .

It is not a de Polignac number, because 201340232433 - 2²⁸ = 201071796977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201340232397 and 201340232406.

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 5 ways as a sum of consecutive naturals, for example, 11185568460 + ... + 11185568477.

It is an arithmetic number, because the mean of its divisors is an integer number (48470796699).

Almost surely, 2^201340232433 is an apocalyptic number.

It is an amenable number.

201340232433 is a deficient number, since it is larger than the sum of its proper divisors (89484547761).

201340232433 is a wasteful number, since it uses less digits than its factorization.

201340232433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22371136943 (or 22371136940 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 201340232433 its reverse (334232043102), we get a palindrome (535572275535).

The spelling of 201340232433 in words is "two hundred one billion, three hundred forty million, two hundred thirty-two thousand, four hundred thirty-three".