23201231213312 has 18 divisors (see below), whose sum is σ = 46311832617708. Its totient is φ = 11600615606528.

The previous prime is 23201231213291. The next prime is 23201231213317. The reversal of 23201231213312 is 21331213210232.

It is not an unprimeable number, because it can be changed into a prime (23201231213317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45314904458 + ... + 45314904969.

Almost surely, 2^{23201231213312} is an apocalyptic number.

It is an amenable number.

23201231213312 is a deficient number, since it is larger than the sum of its proper divisors (23110601404396).

23201231213312 is an frugal number, since it uses more digits than its factorization.

23201231213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90629809443 (or 90629809429 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 23201231213312 its reverse (21331213210232), we get a palindrome (44532444423544).

The spelling of 23201231213312 in words is "twenty-three trillion, two hundred one billion, two hundred thirty-one million, two hundred thirteen thousand, three hundred twelve".