23431305012 has 24 divisors (see below), whose sum is σ = 54899910912. Its totient is φ = 7778025600.

The previous prime is 23431304999. The next prime is 23431305041. The reversal of 23431305012 is 21050313432.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4048164 + ... + 4053947.

It is an arithmetic number, because the mean of its divisors is an integer number (2287496288).

Almost surely, 2^23431305012 is an apocalyptic number.

It is an amenable number.

23431305012 is an abundant number, since it is smaller than the sum of its proper divisors (31468605900).

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

23431305012 is a wasteful number, since it uses less digits than its factorization.

23431305012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102359 (or 8102357 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 23431305012 its reverse (21050313432), we get a palindrome (44481618444).

The spelling of 23431305012 in words is "twenty-three billion, four hundred thirty-one million, three hundred five thousand, twelve".