23011220030012 has 48 divisors (see below), whose sum is σ = 44215981467840. Its totient is φ = 10433846172672.

The previous prime is 23011220030011. The next prime is 23011220030059. The reversal of 23011220030012 is 21003002211032.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011220030011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44138687 + ... + 44656982.

It is an arithmetic number, because the mean of its divisors is an integer number (921166280580).

Almost surely, 2^{23011220030012} is an apocalyptic number.

It is an amenable number.

23011220030012 is a deficient number, since it is larger than the sum of its proper divisors (21204761437828).

23011220030012 is a wasteful number, since it uses less digits than its factorization.

23011220030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88795830 (or 88795828 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23011220030012 its reverse (21003002211032), we get a palindrome (44014222241044).

The spelling of 23011220030012 in words is "twenty-three trillion, eleven billion, two hundred twenty million, thirty thousand, twelve".