23303131312 has 20 divisors (see below), whose sum is σ = 45155034496. Its totient is φ = 11650219200.

The previous prime is 23303131261. The next prime is 23303131349. The reversal of 23303131312 is 21313130332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66838 + ... + 225994.

Almost surely, 2^23303131312 is an apocalyptic number.

It is an amenable number.

23303131312 is a deficient number, since it is larger than the sum of its proper divisors (21851903184).

23303131312 is a wasteful number, since it uses less digits than its factorization.

23303131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168316 (or 168310 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23303131312 its reverse (21313130332), we get a palindrome (44616261644).

The spelling of 23303131312 in words is "twenty-three billion, three hundred three million, one hundred thirty-one thousand, three hundred twelve".