23153212 has 6 divisors (see below), whose sum is σ = 40518128. Its totient is φ = 11576604.

The previous prime is 23153197. The next prime is 23153293. The reversal of 23153212 is 21235132.

It is a self number, because there is not a number n which added to its sum of digits gives 23153212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2894148 + ... + 2894155.

Almost surely, 2^23153212 is an apocalyptic number.

It is an amenable number.

23153212 is a deficient number, since it is larger than the sum of its proper divisors (17364916).

23153212 is a wasteful number, since it uses less digits than its factorization.

23153212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5788307 (or 5788305 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 23153212 is about 4811.7784653909. The cubic root of 23153212 is about 285.0167713532.

Adding to 23153212 its reverse (21235132), we get a palindrome (44388344).

The spelling of 23153212 in words is "twenty-three million, one hundred fifty-three thousand, two hundred twelve".