423221011322 has 4 divisors (see below), whose sum is σ = 634831516986. Its totient is φ = 211610505660.

The previous prime is 423221011277. The next prime is 423221011327. The reversal of 423221011322 is 223110122324.

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., 422030830321 + 1190181001 = 649639^2 + 34499^2 .

It is not an unprimeable number, because it can be changed into a prime (423221011327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105805252829 + ... + 105805252832.

Almost surely, 2^423221011322 is an apocalyptic number.

423221011322 is a deficient number, since it is larger than the sum of its proper divisors (211610505664).

423221011322 is a wasteful number, since it uses less digits than its factorization.

423221011322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211610505663.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 423221011322 its reverse (223110122324), we get a palindrome (646331133646).

The spelling of 423221011322 in words is "four hundred twenty-three billion, two hundred twenty-one million, eleven thousand, three hundred twenty-two".