23011331312 has 20 divisors (see below), whose sum is σ = 44588715336. Its totient is φ = 11504566080.

The previous prime is 23011331267. The next prime is 23011331323. The reversal of 23011331312 is 21313311032.

It is a congruent number.

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, 119558 + ... + 245594.

Almost surely, 2^23011331312 is an apocalyptic number.

It is an amenable number.

23011331312 is a deficient number, since it is larger than the sum of its proper divisors (21577384024).

23011331312 is a wasteful number, since it uses less digits than its factorization.

23011331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137456 (or 137450 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23011331312 its reverse (21313311032), we get a palindrome (44324642344).

The spelling of 23011331312 in words is "twenty-three billion, eleven million, three hundred thirty-one thousand, three hundred twelve".