223430163856 has 15 divisors (see below), whose sum is σ = 432899605803. Its totient is φ = 111714136560.

The previous prime is 223430163851. The next prime is 223430163877. The reversal of 223430163856 is 658361034322.

The square root of 223430163856 is 472684.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223430163851) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1831651 + ... + 1949821.

Almost surely, 2^223430163856 is an apocalyptic number.

223430163856 is the 472684-th square number.

It is an amenable number.

223430163856 is a deficient number, since it is larger than the sum of its proper divisors (209469441947).

223430163856 is an frugal number, since it uses more digits than its factorization.

223430163856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236350 (or 118173 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 223430163856 in words is "two hundred twenty-three billion, four hundred thirty million, one hundred sixty-three thousand, eight hundred fifty-six".