229123905 has 8 divisors (see below), whose sum is σ = 366598272. Its totient is φ = 122199408.

The previous prime is 229123903. The next prime is 229123969. The reversal of 229123905 is 509321922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229123905 - 2¹ = 229123903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229123901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7637449 + ... + 7637478.

It is an arithmetic number, because the mean of its divisors is an integer number (45824784).

Almost surely, 2^229123905 is an apocalyptic number.

It is an amenable number.

229123905 is a deficient number, since it is larger than the sum of its proper divisors (137474367).

229123905 is a wasteful number, since it uses less digits than its factorization.

229123905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274935.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 229123905 is about 15136.8393332294. The cubic root of 229123905 is about 611.9136401488.

The spelling of 229123905 in words is "two hundred twenty-nine million, one hundred twenty-three thousand, nine hundred five".