223728959 has 8 divisors (see below), whose sum is σ = 237405168. Its totient is φ = 210110080.

The previous prime is 223728949. The next prime is 223728961. The reversal of 223728959 is 959827322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223728959 - 2⁴ = 223728943 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 (223728919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6152 + ... + 22029.

It is an arithmetic number, because the mean of its divisors is an integer number (29675646).

Almost surely, 2^223728959 is an apocalyptic number.

223728959 is a deficient number, since it is larger than the sum of its proper divisors (13676209).

223728959 is a wasteful number, since it uses less digits than its factorization.

223728959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28665.

The product of its digits is 544320, while the sum is 47.

The square root of 223728959 is about 14957.5719620532. The cubic root of 223728959 is about 607.0727430967.

The spelling of 223728959 in words is "two hundred twenty-three million, seven hundred twenty-eight thousand, nine hundred fifty-nine".