422378873223 has 8 divisors (see below), whose sum is σ = 563243303808. Its totient is φ = 281550179064.

The previous prime is 422378873219. The next prime is 422378873237. The reversal of 422378873223 is 322378873224.

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

It is not a de Polignac number, because 422378873223 - 2² = 422378873219 is a prime.

It is a super-2 number, since 2×422378873223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422378873923) 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, 8906515 + ... + 8953812.

It is an arithmetic number, because the mean of its divisors is an integer number (70405412976).

Almost surely, 2^422378873223 is an apocalyptic number.

422378873223 is a deficient number, since it is larger than the sum of its proper divisors (140864430585).

422378873223 is a wasteful number, since it uses less digits than its factorization.

422378873223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17868213.

The product of its digits is 5419008, while the sum is 51.

Subtracting from 422378873223 its reverse (322378873224), we obtain a palindrome (99999999999).

The spelling of 422378873223 in words is "four hundred twenty-two billion, three hundred seventy-eight million, eight hundred seventy-three thousand, two hundred twenty-three".