23215340043012 has 24 divisors (see below), whose sum is σ = 58335982672576. Its totient is φ = 7143181551648.

The previous prime is 23215340042981. The next prime is 23215340043047. The reversal of 23215340043012 is 21034004351232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74408141008 + ... + 74408141319.

Almost surely, 2^{23215340043012} is an apocalyptic number.

It is an amenable number.

23215340043012 is an abundant number, since it is smaller than the sum of its proper divisors (35120642629564).

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

23215340043012 is a wasteful number, since it uses less digits than its factorization.

23215340043012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148816282347 (or 148816282345 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23215340043012 its reverse (21034004351232), we get a palindrome (44249344394244).

The spelling of 23215340043012 in words is "twenty-three trillion, two hundred fifteen billion, three hundred forty million, forty-three thousand, twelve".