223710812652 has 12 divisors (see below), whose sum is σ = 521991896216. Its totient is φ = 74570270880.

The previous prime is 223710812627. The next prime is 223710812653. The reversal of 223710812652 is 256218017322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 223710812652.

It is not an unprimeable number, because it can be changed into a prime (223710812653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9321283849 + ... + 9321283872.

Almost surely, 2^223710812652 is an apocalyptic number.

It is an amenable number.

223710812652 is an abundant number, since it is smaller than the sum of its proper divisors (298281083564).

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

223710812652 is a wasteful number, since it uses less digits than its factorization.

223710812652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18642567728 (or 18642567726 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

Adding to 223710812652 its reverse (256218017322), we get a palindrome (479928829974).

The spelling of 223710812652 in words is "two hundred twenty-three billion, seven hundred ten million, eight hundred twelve thousand, six hundred fifty-two".