218238623230 has 16 divisors (see below), whose sum is σ = 393527275344. Its totient is φ = 87140392960.

The previous prime is 218238623219. The next prime is 218238623237. The reversal of 218238623230 is 32326832812.

It is a happy number.

218238623230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218238623237) 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, 19376131 + ... + 19387390.

It is an arithmetic number, because the mean of its divisors is an integer number (24595454709).

Almost surely, 2^218238623230 is an apocalyptic number.

218238623230 is a deficient number, since it is larger than the sum of its proper divisors (175288652114).

218238623230 is a wasteful number, since it uses less digits than its factorization.

218238623230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38764091.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 218238623230 in words is "two hundred eighteen billion, two hundred thirty-eight million, six hundred twenty-three thousand, two hundred thirty".