223063840 has 24 divisors (see below), whose sum is σ = 526988700. Its totient is φ = 89225472.

The previous prime is 223063829. The next prime is 223063843. The reversal of 223063840 is 48360322.

223063840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 188348176 + 34715664 = 13724^2 + 5892^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223063799 and 223063808.

It is not an unprimeable number, because it can be changed into a prime (223063843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696915 + ... + 697234.

Almost surely, 2^223063840 is an apocalyptic number.

223063840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223063840 is an abundant number, since it is smaller than the sum of its proper divisors (303924860).

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

223063840 is a wasteful number, since it uses less digits than its factorization.

223063840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394164 (or 1394156 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 223063840 is about 14935.3218914090. The cubic root of 223063840 is about 606.4705614732.

The spelling of 223063840 in words is "two hundred twenty-three million, sixty-three thousand, eight hundred forty".