23213232321312 has 48 divisors (see below), whose sum is σ = 66474256195872. Its totient is φ = 7034312824320.

The previous prime is 23213232321299. The next prime is 23213232321329. The reversal of 23213232321312 is 21312323231232.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23213232321312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10991112733 + ... + 10991114844.

It is an arithmetic number, because the mean of its divisors is an integer number (1384880337414).

Almost surely, 2^{23213232321312} is an apocalyptic number.

23213232321312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23213232321312 is an abundant number, since it is smaller than the sum of its proper divisors (43261023874560).

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

23213232321312 is a wasteful number, since it uses less digits than its factorization.

23213232321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21982227601 (or 21982227593 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 23213232321312 its reverse (21312323231232), we get a palindrome (44525555552544).

The spelling of 23213232321312 in words is "twenty-three trillion, two hundred thirteen billion, two hundred thirty-two million, three hundred twenty-one thousand, three hundred twelve".