201423423441 has 8 divisors (see below), whose sum is σ = 284362480224. Its totient is φ = 126383324480.

The previous prime is 201423423431. The next prime is 201423423463. The reversal of 201423423441 is 144324324102.

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 201423423441 - 2¹⁵ = 201423390673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201423423399 and 201423423408.

It is not an unprimeable number, because it can be changed into a prime (201423423431) 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, 1974739395 + ... + 1974739496.

It is an arithmetic number, because the mean of its divisors is an integer number (35545310028).

Almost surely, 2^201423423441 is an apocalyptic number.

It is an amenable number.

201423423441 is a deficient number, since it is larger than the sum of its proper divisors (82939056783).

201423423441 is a wasteful number, since it uses less digits than its factorization.

201423423441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949478911.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 201423423441 its reverse (144324324102), we get a palindrome (345747747543).

The spelling of 201423423441 in words is "two hundred one billion, four hundred twenty-three million, four hundred twenty-three thousand, four hundred forty-one".