423222555512 has 16 divisors (see below), whose sum is σ = 793631979000. Its totient is φ = 211587361120.

The previous prime is 423222555493. The next prime is 423222555521. The reversal of 423222555512 is 215555222324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2914262 + ... + 3056037.

Almost surely, 2^423222555512 is an apocalyptic number.

It is an amenable number.

423222555512 is a deficient number, since it is larger than the sum of its proper divisors (370409423488).

423222555512 is a wasteful number, since it uses less digits than its factorization.

423222555512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5979166 (or 5979162 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

Adding to 423222555512 its reverse (215555222324), we get a palindrome (638777777836).

The spelling of 423222555512 in words is "four hundred twenty-three billion, two hundred twenty-two million, five hundred fifty-five thousand, five hundred twelve".