340223520612 has 24 divisors (see below), whose sum is σ = 805035938112. Its totient is φ = 111810546400.

The previous prime is 340223520569. The next prime is 340223520647. The reversal of 340223520612 is 216025322043.

It is a self number, because there is not a number n which added to its sum of digits gives 340223520612.

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, 199660839 + ... + 199662542.

It is an arithmetic number, because the mean of its divisors is an integer number (33543164088).

Almost surely, 2^340223520612 is an apocalyptic number.

It is an amenable number.

340223520612 is an abundant number, since it is smaller than the sum of its proper divisors (464812417500).

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

340223520612 is a wasteful number, since it uses less digits than its factorization.

340223520612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399323459 (or 399323457 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 340223520612 its reverse (216025322043), we get a palindrome (556248842655).

The spelling of 340223520612 in words is "three hundred forty billion, two hundred twenty-three million, five hundred twenty thousand, six hundred twelve".