422623645423 has 8 divisors (see below), whose sum is σ = 483497940992. Its totient is φ = 361874222136.

The previous prime is 422623645417. The next prime is 422623645441. The reversal of 422623645423 is 324546326224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422623645423 - 2⁵ = 422623645391 is a prime.

It is a super-2 number, since 2×422623645423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422623645423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422623645723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31210815 + ... + 31224352.

It is an arithmetic number, because the mean of its divisors is an integer number (60437242624).

Almost surely, 2^422623645423 is an apocalyptic number.

422623645423 is a deficient number, since it is larger than the sum of its proper divisors (60874295569).

422623645423 is an equidigital number, since it uses as much as digits as its factorization.

422623645423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62436141.

The product of its digits is 1658880, while the sum is 43.

The spelling of 422623645423 in words is "four hundred twenty-two billion, six hundred twenty-three million, six hundred forty-five thousand, four hundred twenty-three".