215423304330 has 64 divisors (see below), whose sum is σ = 563834396160. Its totient is φ = 52356036096.

The previous prime is 215423304311. The next prime is 215423304359. The reversal of 215423304330 is 33403324512.

215423304330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3465187 + ... + 3526806.

It is an arithmetic number, because the mean of its divisors is an integer number (8809912440).

Almost surely, 2^215423304330 is an apocalyptic number.

215423304330 is an abundant number, since it is smaller than the sum of its proper divisors (348411091830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215423304330 is a wasteful number, since it uses less digits than its factorization.

215423304330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992095.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 215423304330 its reverse (33403324512), we get a palindrome (248826628842).

The spelling of 215423304330 in words is "two hundred fifteen billion, four hundred twenty-three million, three hundred four thousand, three hundred thirty".