216235423353 has 8 divisors (see below), whose sum is σ = 292374657216. Its totient is φ = 142126569200.

The previous prime is 216235423309. The next prime is 216235423399. The reversal of 216235423353 is 353324532612.

216235423353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 216235423353 - 2¹⁴ = 216235406969 is a prime.

It is a super-2 number, since 2×216235423353² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216235423553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507594678 + ... + 507595103.

It is an arithmetic number, because the mean of its divisors is an integer number (36546832152).

Almost surely, 2^216235423353 is an apocalyptic number.

It is an amenable number.

216235423353 is a deficient number, since it is larger than the sum of its proper divisors (76139233863).

216235423353 is a wasteful number, since it uses less digits than its factorization.

216235423353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015189855.

The product of its digits is 388800, while the sum is 39.

Adding to 216235423353 its reverse (353324532612), we get a palindrome (569559955965).

The spelling of 216235423353 in words is "two hundred sixteen billion, two hundred thirty-five million, four hundred twenty-three thousand, three hundred fifty-three".