223695 has 16 divisors (see below), whose sum is σ = 397920. Its totient is φ = 119232.

The previous prime is 223681. The next prime is 223697. The reversal of 223695 is 596322.

It is not a de Polignac number, because 223695 - 2⁴ = 223679 is a prime.

It is a super-3 number, since 3×223695³ = 33580726333282125, which contains 333 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

223695 is a lucky number.

It is a plaindrome in base 16.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694 + ... + 963.

It is an arithmetic number, because the mean of its divisors is an integer number (24870).

2²²³⁶⁹⁵ is an apocalyptic number.

223695 is a deficient number, since it is larger than the sum of its proper divisors (174225).

223695 is a wasteful number, since it uses less digits than its factorization.

223695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1665 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 223695 is about 472.9640578310. The cubic root of 223695 is about 60.7042026426.

The spelling of 223695 in words is "two hundred twenty-three thousand, six hundred ninety-five".