23021331003012 has 96 divisors (see below), whose sum is σ = 53965795287040. Its totient is φ = 7638256454400.

The previous prime is 23021331002963. The next prime is 23021331003017. The reversal of 23021331003012 is 21030013312032.

It is a self number, because there is not a number n which added to its sum of digits gives 23021331003012.

It is not an unprimeable number, because it can be changed into a prime (23021331003017) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6961392663 + ... + 6961395969.

Almost surely, 2^{23021331003012} is an apocalyptic number.

It is an amenable number.

23021331003012 is an abundant number, since it is smaller than the sum of its proper divisors (30944464284028).

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

23021331003012 is a wasteful number, since it uses less digits than its factorization.

23021331003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401 (or 6399 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23021331003012 its reverse (21030013312032), we get a palindrome (44051344315044).

The spelling of 23021331003012 in words is "twenty-three trillion, twenty-one billion, three hundred thirty-one million, three thousand, twelve".