23323021220012 has 12 divisors (see below), whose sum is σ = 40833291247560. Its totient is φ = 11656366577856.

The previous prime is 23323021219999. The next prime is 23323021220063. The reversal of 23323021220012 is 21002212032332.

It is a self number, because there is not a number n which added to its sum of digits gives 23323021220012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285997837 + ... + 1286015972.

It is an arithmetic number, because the mean of its divisors is an integer number (3402774270630).

Almost surely, 2^{23323021220012} is an apocalyptic number.

It is an amenable number.

23323021220012 is a deficient number, since it is larger than the sum of its proper divisors (17510270027548).

23323021220012 is a wasteful number, since it uses less digits than its factorization.

23323021220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572016080 (or 2572016078 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23323021220012 its reverse (21002212032332), we get a palindrome (44325233252344).

The spelling of 23323021220012 in words is "twenty-three trillion, three hundred twenty-three billion, twenty-one million, two hundred twenty thousand, twelve".