23443031320012 has 12 divisors (see below), whose sum is σ = 41979381666376. Its totient is φ = 11448922272480.

The previous prime is 23443031320003. The next prime is 23443031320043. The reversal of 23443031320012 is 21002313034432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68148346689 + ... + 68148347032.

Almost surely, 2^{23443031320012} is an apocalyptic number.

It is an amenable number.

23443031320012 is a deficient number, since it is larger than the sum of its proper divisors (18536350346364).

23443031320012 is a wasteful number, since it uses less digits than its factorization.

23443031320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136296693768 (or 136296693766 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 23443031320012 its reverse (21002313034432), we get a palindrome (44445344354444).

The spelling of 23443031320012 in words is "twenty-three trillion, four hundred forty-three billion, thirty-one million, three hundred twenty thousand, twelve".