23330330212 has 72 divisors (see below), whose sum is σ = 47879952120. Its totient is φ = 9917752320.

The previous prime is 23330330203. The next prime is 23330330281. The reversal of 23330330212 is 21203303332.

It can be written as a sum of positive squares in 4 ways, for example, as 1095345216 + 22234984996 = 33096^2 + 149114^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21036714 + ... + 21037822.

It is an arithmetic number, because the mean of its divisors is an integer number (664999335).

Almost surely, 2^23330330212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23330330212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23939976060).

23330330212 is an abundant number, since it is smaller than the sum of its proper divisors (24549621908).

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

23330330212 is a wasteful number, since it uses less digits than its factorization.

23330330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 23330330212 its reverse (21203303332), we get a palindrome (44533633544).

The spelling of 23330330212 in words is "twenty-three billion, three hundred thirty million, three hundred thirty thousand, two hundred twelve".