216323074234 has 8 divisors (see below), whose sum is σ = 324511780320. Its totient is φ = 108152480796.

The previous prime is 216323074147. The next prime is 216323074241. The reversal of 216323074234 is 432470323612.

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

It is a junction number, because it is equal to n+sod(n) for n = 216323074193 and 216323074202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4498264 + ... + 4546099.

It is an arithmetic number, because the mean of its divisors is an integer number (40563972540).

Almost surely, 2^216323074234 is an apocalyptic number.

216323074234 is a deficient number, since it is larger than the sum of its proper divisors (108188706086).

216323074234 is a wasteful number, since it uses less digits than its factorization.

216323074234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9056324.

The product of its (nonzero) digits is 145152, while the sum is 37.

Adding to 216323074234 its reverse (432470323612), we get a palindrome (648793397846).

The spelling of 216323074234 in words is "two hundred sixteen billion, three hundred twenty-three million, seventy-four thousand, two hundred thirty-four".