23221112312 has 16 divisors (see below), whose sum is σ = 43543626840. Its totient is φ = 11609478496.

The previous prime is 23221112279. The next prime is 23221112329. The reversal of 23221112312 is 21321112232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39143 + ... + 219030.

Almost surely, 2^23221112312 is an apocalyptic number.

It is an amenable number.

23221112312 is a deficient number, since it is larger than the sum of its proper divisors (20322514528).

23221112312 is a wasteful number, since it uses less digits than its factorization.

23221112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269422 (or 269418 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 23221112312 its reverse (21321112232), we get a palindrome (44542224544).

The spelling of 23221112312 in words is "twenty-three billion, two hundred twenty-one million, one hundred twelve thousand, three hundred twelve".