8220955407423 has 32 divisors (see below), whose sum is σ = 12478395727872. Its totient is φ = 4765488578400.

The previous prime is 8220955407421. The next prime is 8220955407437. The reversal of 8220955407423 is 3247045590228.

It is not a de Polignac number, because 8220955407423 - 2¹ = 8220955407421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220955407421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12838638 + ... + 13463748.

It is an arithmetic number, because the mean of its divisors is an integer number (389949866496).

Almost surely, 2^{8220955407423} is an apocalyptic number.

8220955407423 is a deficient number, since it is larger than the sum of its proper divisors (4257440320449).

8220955407423 is a wasteful number, since it uses less digits than its factorization.

8220955407423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642475.

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 8220955407423 in words is "eight trillion, two hundred twenty billion, nine hundred fifty-five million, four hundred seven thousand, four hundred twenty-three".