23231020312 has 32 divisors (see below), whose sum is σ = 45265104000. Its totient is φ = 11165356800.

The previous prime is 23231020289. The next prime is 23231020331. The reversal of 23231020312 is 21302013232.

It is a self number, because there is not a number n which added to its sum of digits gives 23231020312.

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 7 ways as a sum of consecutive naturals, for example, 277389 + ... + 351292.

It is an arithmetic number, because the mean of its divisors is an integer number (1414534500).

Almost surely, 2^23231020312 is an apocalyptic number.

It is an amenable number.

23231020312 is a deficient number, since it is larger than the sum of its proper divisors (22034083688).

23231020312 is a wasteful number, since it uses less digits than its factorization.

23231020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628867 (or 628863 counting only the distinct ones).

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

Adding to 23231020312 its reverse (21302013232), we get a palindrome (44533033544).

The spelling of 23231020312 in words is "twenty-three billion, two hundred thirty-one million, twenty thousand, three hundred twelve".