23012203312 has 20 divisors (see below), whose sum is σ = 50955593296. Its totient is φ = 9862372800.

The previous prime is 23012203303. The next prime is 23012203367. The reversal of 23012203312 is 21330221032.

It is a self number, because there is not a number n which added to its sum of digits gives 23012203312.

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, 102732939 + ... + 102733162.

Almost surely, 2^23012203312 is an apocalyptic number.

It is an amenable number.

23012203312 is an abundant number, since it is smaller than the sum of its proper divisors (27943389984).

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

23012203312 is a wasteful number, since it uses less digits than its factorization.

23012203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205466116 (or 205466110 counting only the distinct ones).

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

Adding to 23012203312 its reverse (21330221032), we get a palindrome (44342424344).

The spelling of 23012203312 in words is "twenty-three billion, twelve million, two hundred three thousand, three hundred twelve".