423222555312 has 40 divisors (see below), whose sum is σ = 1214805484080. Its totient is φ = 141074184960.

The previous prime is 423222555269. The next prime is 423222555337. The reversal of 423222555312 is 213555222324.

It is a happy number.

423222555312 is a `hidden beast` number, since 42 + 32 + 2 + 2 + 55 + 531 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489840489 + ... + 489841352.

It is an arithmetic number, because the mean of its divisors is an integer number (30370137102).

Almost surely, 2^423222555312 is an apocalyptic number.

It is an amenable number.

423222555312 is an abundant number, since it is smaller than the sum of its proper divisors (791582928768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423222555312 is a wasteful number, since it uses less digits than its factorization.

423222555312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979681858 (or 979681846 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 423222555312 its reverse (213555222324), we get a palindrome (636777777636).

The spelling of 423222555312 in words is "four hundred twenty-three billion, two hundred twenty-two million, five hundred fifty-five thousand, three hundred twelve".