23321212 has 24 divisors (see below), whose sum is σ = 44138304. Its totient is φ = 10739712.

The previous prime is 23321201. The next prime is 23321213. The reversal of 23321212 is 21212332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321213) 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, 453 + ... + 6844.

It is an arithmetic number, because the mean of its divisors is an integer number (1839096).

Almost surely, 2^23321212 is an apocalyptic number.

It is an amenable number.

23321212 is a deficient number, since it is larger than the sum of its proper divisors (20817092).

23321212 is a wasteful number, since it uses less digits than its factorization.

23321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365 (or 7363 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 23321212 is about 4829.2040752074. The cubic root of 23321212 is about 285.7044724725.

Adding to 23321212 its reverse (21212332), we get a palindrome (44533544).

The spelling of 23321212 in words is "twenty-three million, three hundred twenty-one thousand, two hundred twelve".