223985975 has 12 divisors (see below), whose sum is σ = 285250344. Its totient is φ = 174345120.

The previous prime is 223985969. The next prime is 223985977. The reversal of 223985975 is 579589322.

It is a de Polignac number, because none of the positive numbers 2^k-223985975 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 (223985977) 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, 120149 + ... + 121998.

It is an arithmetic number, because the mean of its divisors is an integer number (23770862).

Almost surely, 2^223985975 is an apocalyptic number.

223985975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

223985975 is a deficient number, since it is larger than the sum of its proper divisors (61264369).

223985975 is a wasteful number, since it uses less digits than its factorization.

223985975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242194 (or 242189 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 223985975 is about 14966.1609973968. The cubic root of 223985975 is about 607.3051190629.

The spelling of 223985975 in words is "two hundred twenty-three million, nine hundred eighty-five thousand, nine hundred seventy-five".