23229189 has 12 divisors (see below), whose sum is σ = 33819136. Its totient is φ = 15363432.

The previous prime is 23229187. The next prime is 23229197. The reversal of 23229189 is 98192232.

It is not a de Polignac number, because 23229189 - 2¹ = 23229187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23229187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9019 + ... + 11304.

Almost surely, 2^23229189 is an apocalyptic number.

It is an amenable number.

23229189 is a deficient number, since it is larger than the sum of its proper divisors (10589947).

23229189 is a wasteful number, since it uses less digits than its factorization.

23229189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20456 (or 20453 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 23229189 is about 4819.6668972036. Note that the first 3 decimals coincide. The cubic root of 23229189 is about 285.3281907185.

It can be divided in two parts, 2322 and 9189, that added together give a palindrome (11511).

The spelling of 23229189 in words is "twenty-three million, two hundred twenty-nine thousand, one hundred eighty-nine".