229623 has 4 divisors (see below), whose sum is σ = 306168. Its totient is φ = 153080.

The previous prime is 229613. The next prime is 229627. The reversal of 229623 is 326922.

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 229623 - 2⁵ = 229591 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 229593 and 229602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229627) 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, 38268 + ... + 38273.

It is an arithmetic number, because the mean of its divisors is an integer number (76542).

2²²⁹⁶²³ is an apocalyptic number.

229623 is a deficient number, since it is larger than the sum of its proper divisors (76545).

229623 is an equidigital number, since it uses as much as digits as its factorization.

229623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76544.

The product of its digits is 1296, while the sum is 24.

The square root of 229623 is about 479.1899414637. The cubic root of 229623 is about 61.2357623439.

It can be divided in two parts, 22962 and 3, that multiplied together give a palindrome (68886).

The spelling of 229623 in words is "two hundred twenty-nine thousand, six hundred twenty-three".