23113212 has 24 divisors (see below), whose sum is σ = 54163200. Its totient is φ = 7671216.

The previous prime is 23113201. The next prime is 23113219. The reversal of 23113212 is 21231132.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23113191 and 23113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113219) 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, 1162 + ... + 6897.

It is an arithmetic number, because the mean of its divisors is an integer number (2256800).

Almost surely, 2^23113212 is an apocalyptic number.

It is an amenable number.

23113212 is an abundant number, since it is smaller than the sum of its proper divisors (31049988).

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

23113212 is a wasteful number, since it uses less digits than its factorization.

23113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8305 (or 8303 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 23113212 is about 4807.6202013054. The cubic root of 23113212 is about 284.8525429874.

Adding to 23113212 its reverse (21231132), we get a palindrome (44344344).

The spelling of 23113212 in words is "twenty-three million, one hundred thirteen thousand, two hundred twelve".