23240236 has 12 divisors (see below), whose sum is σ = 40745880. Its totient is φ = 11598560.

The previous prime is 23240233. The next prime is 23240251. The reversal of 23240236 is 63204232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23240233) 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, 2830 + ... + 7381.

It is an arithmetic number, because the mean of its divisors is an integer number (3395490).

Almost surely, 2^23240236 is an apocalyptic number.

It is an amenable number.

23240236 is a deficient number, since it is larger than the sum of its proper divisors (17505644).

23240236 is a wasteful number, since it uses less digits than its factorization.

23240236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10784 (or 10782 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 23240236 is about 4820.8127945399. The cubic root of 23240236 is about 285.3734142946.

Adding to 23240236 its reverse (63204232), we get a palindrome (86444468).

The spelling of 23240236 in words is "twenty-three million, two hundred forty thousand, two hundred thirty-six".