243160223 has 4 divisors (see below), whose sum is σ = 244518840. Its totient is φ = 241801608.

The previous prime is 243160207. The next prime is 243160261. The reversal of 243160223 is 322061342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243160223 - 2⁴ = 243160207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243160123) 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, 679040 + ... + 679397.

It is an arithmetic number, because the mean of its divisors is an integer number (61129710).

Almost surely, 2^243160223 is an apocalyptic number.

243160223 is a deficient number, since it is larger than the sum of its proper divisors (1358617).

243160223 is a wasteful number, since it uses less digits than its factorization.

243160223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358616.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 243160223 is about 15593.5955763897. The cubic root of 243160223 is about 624.1622679230.

The spelling of 243160223 in words is "two hundred forty-three million, one hundred sixty thousand, two hundred twenty-three".