422120323 has 4 divisors (see below), whose sum is σ = 422447080. Its totient is φ = 421793568.

The previous prime is 422120299. The next prime is 422120329. The reversal of 422120323 is 323021224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422120323 - 2⁹ = 422119811 is a prime.

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 422120323.

It is not an unprimeable number, because it can be changed into a prime (422120329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161433 + ... + 164026.

It is an arithmetic number, because the mean of its divisors is an integer number (105611770).

Almost surely, 2^422120323 is an apocalyptic number.

422120323 is a deficient number, since it is larger than the sum of its proper divisors (326757).

422120323 is a wasteful number, since it uses less digits than its factorization.

422120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326756.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 422120323 is about 20545.5669914461. The cubic root of 422120323 is about 750.1453484226.

Adding to 422120323 its reverse (323021224), we get a palindrome (745141547).

Subtracting from 422120323 its reverse (323021224), we obtain a palindrome (99099099).

The spelling of 422120323 in words is "four hundred twenty-two million, one hundred twenty thousand, three hundred twenty-three".