23230636 has 48 divisors (see below), whose sum is σ = 50591520. Its totient is φ = 9169920.

The previous prime is 23230631. The next prime is 23230637. The reversal of 23230636 is 63603232.

It is a self number, because there is not a number n which added to its sum of digits gives 23230636.

It is not an unprimeable number, because it can be changed into a prime (23230631) by changing a digit.

It is a nontrivial repunit in base 285.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8530 + ... + 10918.

It is an arithmetic number, because the mean of its divisors is an integer number (1053990).

Almost surely, 2^23230636 is an apocalyptic number.

23230636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23230636 is an abundant number, since it is smaller than the sum of its proper divisors (27360884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23230636 is a wasteful number, since it uses less digits than its factorization.

23230636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 23230636 is about 4819.8170089745. The cubic root of 23230636 is about 285.3341151802.

Adding to 23230636 its reverse (63603232), we get a palindrome (86833868).

The spelling of 23230636 in words is "twenty-three million, two hundred thirty thousand, six hundred thirty-six".