23216234 has 8 divisors (see below), whose sum is σ = 35395428. Its totient is φ = 11417760.

The previous prime is 23216183. The next prime is 23216239. The reversal of 23216234 is 43261232.

It can be written as a sum of positive squares in 2 ways, for example, as 19228225 + 3988009 = 4385^2 + 1997^2 .

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

It is a super-2 number, since 2×23216234² = 1077987042285512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23216239) 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, 95027 + ... + 95270.

Almost surely, 2^23216234 is an apocalyptic number.

23216234 is a deficient number, since it is larger than the sum of its proper divisors (12179194).

23216234 is a wasteful number, since it uses less digits than its factorization.

23216234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190360.

The product of its digits is 1728, while the sum is 23.

The square root of 23216234 is about 4818.3227372188. The cubic root of 23216234 is about 285.2751380112.

Adding to 23216234 its reverse (43261232), we get a palindrome (66477466).

The spelling of 23216234 in words is "twenty-three million, two hundred sixteen thousand, two hundred thirty-four".