229005923 has 4 divisors (see below), whose sum is σ = 229183248. Its totient is φ = 228828600.

The previous prime is 229005919. The next prime is 229005941. The reversal of 229005923 is 329500922.

It is a happy number.

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 229005923 - 2² = 229005919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229005923.

It is not an unprimeable number, because it can be changed into a prime (229005983) 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, 86711 + ... + 89312.

It is an arithmetic number, because the mean of its divisors is an integer number (57295812).

Almost surely, 2^229005923 is an apocalyptic number.

229005923 is a deficient number, since it is larger than the sum of its proper divisors (177325).

229005923 is a wasteful number, since it uses less digits than its factorization.

229005923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177324.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 229005923 is about 15132.9416505847. The cubic root of 229005923 is about 611.8085919068.

The spelling of 229005923 in words is "two hundred twenty-nine million, five thousand, nine hundred twenty-three".