223552040412 has 24 divisors (see below), whose sum is σ = 521651692800. Its totient is φ = 74513023216.

The previous prime is 223552040401. The next prime is 223552040447. The reversal of 223552040412 is 214040255322.

It is a super-2 number, since 2×223552040412² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223552040412.

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, 321462 + ... + 741917.

It is an arithmetic number, because the mean of its divisors is an integer number (21735487200).

Almost surely, 2^223552040412 is an apocalyptic number.

It is an amenable number.

223552040412 is an abundant number, since it is smaller than the sum of its proper divisors (298099652388).

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

223552040412 is a wasteful number, since it uses less digits than its factorization.

223552040412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080905 (or 1080903 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 223552040412 its reverse (214040255322), we get a palindrome (437592295734).

The spelling of 223552040412 in words is "two hundred twenty-three billion, five hundred fifty-two million, forty thousand, four hundred twelve".