23001223312 has 30 divisors (see below), whose sum is σ = 47340546338. Its totient is φ = 10824102912.

The previous prime is 23001223309. The next prime is 23001223361. The reversal of 23001223312 is 21332210032.

It can be written as a sum of positive squares in 3 ways, for example, as 14651649936 + 8349573376 = 121044^2 + 91376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23001223312.

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 5 ways as a sum of consecutive naturals, for example, 2482533 + ... + 2491780.

Almost surely, 2^23001223312 is an apocalyptic number.

It is an amenable number.

23001223312 is an abundant number, since it is smaller than the sum of its proper divisors (24339323026).

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

23001223312 is a wasteful number, since it uses less digits than its factorization.

23001223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974355 (or 4974332 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23001223312 its reverse (21332210032), we get a palindrome (44333433344).

The spelling of 23001223312 in words is "twenty-three billion, one million, two hundred twenty-three thousand, three hundred twelve".