216523041230 has 16 divisors (see below), whose sum is σ = 389897229024. Its totient is φ = 86574604320.

The previous prime is 216523041227. The next prime is 216523041271. The reversal of 216523041230 is 32140325612.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 216523041193 and 216523041202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4300241 + ... + 4350300.

It is an arithmetic number, because the mean of its divisors is an integer number (24368576814).

Almost surely, 2^216523041230 is an apocalyptic number.

216523041230 is a deficient number, since it is larger than the sum of its proper divisors (173374187794).

216523041230 is a wasteful number, since it uses less digits than its factorization.

216523041230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653051.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 216523041230 its reverse (32140325612), we get a palindrome (248663366842).

The spelling of 216523041230 in words is "two hundred sixteen billion, five hundred twenty-three million, forty-one thousand, two hundred thirty".