23321321212 has 12 divisors (see below), whose sum is σ = 46642642480. Its totient is φ = 9994851936.

The previous prime is 23321321209. The next prime is 23321321227. The reversal of 23321321212 is 21212312332.

23321321212 is an admirable number.

It is a super-2 number, since 2×23321321212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416452137 + ... + 416452192.

Almost surely, 2^23321321212 is an apocalyptic number.

It is an amenable number.

23321321212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23321321212 is a wasteful number, since it uses less digits than its factorization.

23321321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832904340 (or 832904338 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 23321321212 its reverse (21212312332), we get a palindrome (44533633544).

The spelling of 23321321212 in words is "twenty-three billion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred twelve".