422500323 has 16 divisors (see below), whose sum is σ = 647412480. Its totient is φ = 240077856.

The previous prime is 422500319. The next prime is 422500349. The reversal of 422500323 is 323005224.

It is not a de Polignac number, because 422500323 - 2² = 422500319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 422500323.

It is not an unprimeable number, because it can be changed into a prime (422500123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52440 + ... + 59957.

It is an arithmetic number, because the mean of its divisors is an integer number (40463280).

Almost surely, 2^422500323 is an apocalyptic number.

422500323 is a deficient number, since it is larger than the sum of its proper divisors (224912157).

422500323 is a wasteful number, since it uses less digits than its factorization.

422500323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112586.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 422500323 is about 20554.8126481367. The cubic root of 422500323 is about 750.3703788404.

Adding to 422500323 its reverse (323005224), we get a palindrome (745505547).

The spelling of 422500323 in words is "four hundred twenty-two million, five hundred thousand, three hundred twenty-three".