23653212 has 96 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 6693120.

The previous prime is 23653207. The next prime is 23653237. The reversal of 23653212 is 21235632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141553 + ... + 141719.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

Almost surely, 2^23653212 is an apocalyptic number.

23653212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23653212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32175360).

23653212 is an abundant number, since it is smaller than the sum of its proper divisors (40697508).

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

23653212 is a wasteful number, since it uses less digits than its factorization.

23653212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 249 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 23653212 is about 4863.4567953257. The cubic root of 23653212 is about 287.0538491551.

Adding to 23653212 its reverse (21235632), we get a palindrome (44888844).

The spelling of 23653212 in words is "twenty-three million, six hundred fifty-three thousand, two hundred twelve".