223823999268 has 36 divisors (see below), whose sum is σ = 599058352620. Its totient is φ = 70219293696.

The previous prime is 223823999263. The next prime is 223823999381. The reversal of 223823999268 is 862999328322.

223823999268 is a `hidden beast` number, since 2 + 23 + 82 + 399 + 92 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 203922690084 + 19901309184 = 451578^2 + 141072^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (223823999263) 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 11 ways as a sum of consecutive naturals, for example, 182862133 + ... + 182863356.

It is an arithmetic number, because the mean of its divisors is an integer number (16640509795).

Almost surely, 2^223823999268 is an apocalyptic number.

It is an amenable number.

223823999268 is an abundant number, since it is smaller than the sum of its proper divisors (375234353352).

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

223823999268 is a wasteful number, since it uses less digits than its factorization.

223823999268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365725516 (or 365725511 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 63.

The spelling of 223823999268 in words is "two hundred twenty-three billion, eight hundred twenty-three million, nine hundred ninety-nine thousand, two hundred sixty-eight".