23320312012 has 6 divisors (see below), whose sum is σ = 40810546028. Its totient is φ = 11660156004.

The previous prime is 23320311967. The next prime is 23320312013. The reversal of 23320312012 is 21021302332.

It is not an unprimeable number, because it can be changed into a prime (23320312013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2915038998 + ... + 2915039005.

Almost surely, 2^23320312012 is an apocalyptic number.

It is an amenable number.

23320312012 is a deficient number, since it is larger than the sum of its proper divisors (17490234016).

23320312012 is a wasteful number, since it uses less digits than its factorization.

23320312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5830078007 (or 5830078005 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23320312012 its reverse (21021302332), we get a palindrome (44341614344).

The spelling of 23320312012 in words is "twenty-three billion, three hundred twenty million, three hundred twelve thousand, twelve".