423312322 has 4 divisors (see below), whose sum is σ = 634968486. Its totient is φ = 211656160.

The previous prime is 423312293. The next prime is 423312341. The reversal of 423312322 is 223213324.

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

It can be written as a sum of positive squares in only one way, i.e., 417017241 + 6295081 = 20421^2 + 2509^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423312293 and 423312302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105828079 + ... + 105828082.

Almost surely, 2^423312322 is an apocalyptic number.

423312322 is a deficient number, since it is larger than the sum of its proper divisors (211656164).

423312322 is a wasteful number, since it uses less digits than its factorization.

423312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211656163.

The product of its digits is 1728, while the sum is 22.

The square root of 423312322 is about 20574.5552078289. Note that the first 3 decimals coincide. The cubic root of 423312322 is about 750.8507809013.

Adding to 423312322 its reverse (223213324), we get a palindrome (646525646).

The spelling of 423312322 in words is "four hundred twenty-three million, three hundred twelve thousand, three hundred twenty-two".