229923 has 12 divisors (see below), whose sum is σ = 338520. Its totient is φ = 150336.

The previous prime is 229903. The next prime is 229937. The reversal of 229923 is 329922.

It is not a de Polignac number, because 229923 - 2¹⁴ = 213539 is a prime.

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 not an unprimeable number, because it can be changed into a prime (229903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315 + ... + 747.

It is an arithmetic number, because the mean of its divisors is an integer number (28210).

2²²⁹⁹²³ is an apocalyptic number.

229923 is a deficient number, since it is larger than the sum of its proper divisors (108597).

229923 is a wasteful number, since it uses less digits than its factorization.

229923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 495 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 229923 is about 479.5028675618. The cubic root of 229923 is about 61.2624186953.

Subtracting 229923 from its reverse (329922), we obtain a palindrome (99999).

The spelling of 229923 in words is "two hundred twenty-nine thousand, nine hundred twenty-three".