223855343 has 12 divisors (see below), whose sum is σ = 235047120. Its totient is φ = 213175776.

The previous prime is 223855327. The next prime is 223855351. The reversal of 223855343 is 343558322.

It is not a de Polignac number, because 223855343 - 2⁴ = 223855327 is a prime.

It is a super-2 number, since 2×223855343² = 100222429179295298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223855363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138323 + ... + 139931.

It is an arithmetic number, because the mean of its divisors is an integer number (19587260).

Almost surely, 2^223855343 is an apocalyptic number.

223855343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

223855343 is a deficient number, since it is larger than the sum of its proper divisors (11191777).

223855343 is a wasteful number, since it uses less digits than its factorization.

223855343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1895 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 223855343 is about 14961.7961154402. The cubic root of 223855343 is about 607.1870329340.

The spelling of 223855343 in words is "two hundred twenty-three million, eight hundred fifty-five thousand, three hundred forty-three".