218482028623 has 2 divisors, whose sum is σ = 218482028624. Its totient is φ = 218482028622.

The previous prime is 218482028497. The next prime is 218482028657. The reversal of 218482028623 is 326820284812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 218482028623 - 2³³ = 209892094031 is a prime.

It is a super-2 number, since 2×218482028623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218482028683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109241014311 + 109241014312.

It is an arithmetic number, because the mean of its divisors is an integer number (109241014312).

Almost surely, 2^218482028623 is an apocalyptic number.

218482028623 is a deficient number, since it is larger than the sum of its proper divisors (1).

218482028623 is an equidigital number, since it uses as much as digits as its factorization.

218482028623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 218482028623 in words is "two hundred eighteen billion, four hundred eighty-two million, twenty-eight thousand, six hundred twenty-three".