312423300220 has 24 divisors (see below), whose sum is σ = 670048271424. Its totient is φ = 122310398016.

The previous prime is 312423300209. The next prime is 312423300251. The reversal of 312423300220 is 22003324213.

It is a junction number, because it is equal to n+sod(n) for n = 312423300191 and 312423300200.

It is a congruent number.

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, 166181667 + ... + 166183546.

It is an arithmetic number, because the mean of its divisors is an integer number (27918677976).

Almost surely, 2^312423300220 is an apocalyptic number.

It is an amenable number.

312423300220 is an abundant number, since it is smaller than the sum of its proper divisors (357624971204).

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

312423300220 is a wasteful number, since it uses less digits than its factorization.

312423300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332365269 (or 332365267 counting only the distinct ones).

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

Adding to 312423300220 its reverse (22003324213), we get a palindrome (334426624433).

The spelling of 312423300220 in words is "three hundred twelve billion, four hundred twenty-three million, three hundred thousand, two hundred twenty".