201442433 has 8 divisors (see below), whose sum is σ = 208700160. Its totient is φ = 194232240.

The previous prime is 201442429. The next prime is 201442457. The reversal of 201442433 is 334244102.

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

It is a cyclic number.

It is not a de Polignac number, because 201442433 - 2² = 201442429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201442399 and 201442408.

It is not an unprimeable number, because it can be changed into a prime (201442463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143 + ... + 20316.

It is an arithmetic number, because the mean of its divisors is an integer number (26087520).

Almost surely, 2^201442433 is an apocalyptic number.

It is an amenable number.

201442433 is a deficient number, since it is larger than the sum of its proper divisors (7257727).

201442433 is a wasteful number, since it uses less digits than its factorization.

201442433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23767.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 201442433 is about 14193.0417106412. The cubic root of 201442433 is about 586.2060811521.

Adding to 201442433 its reverse (334244102), we get a palindrome (535686535).

The spelling of 201442433 in words is "two hundred one million, four hundred forty-two thousand, four hundred thirty-three".