23222303302312 has 8 divisors (see below), whose sum is σ = 43541818691850. Its totient is φ = 11611151651152.

The previous prime is 23222303302249. The next prime is 23222303302313. The reversal of 23222303302312 is 21320330322232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21222550958436 + 1999752343876 = 4606794^2 + 1414126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23222303302313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1451393956387 + ... + 1451393956402.

Almost surely, 2^{23222303302312} is an apocalyptic number.

It is an amenable number.

23222303302312 is a deficient number, since it is larger than the sum of its proper divisors (20319515389538).

23222303302312 is a wasteful number, since it uses less digits than its factorization.

23222303302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902787912795 (or 2902787912791 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 23222303302312 its reverse (21320330322232), we get a palindrome (44542633624544).

The spelling of 23222303302312 in words is "twenty-three trillion, two hundred twenty-two billion, three hundred three million, three hundred two thousand, three hundred twelve".