23222331312 has 80 divisors (see below), whose sum is σ = 61688655840. Its totient is φ = 7522246656.

The previous prime is 23222331283. The next prime is 23222331323. The reversal of 23222331312 is 21313322232.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507264 + ... + 1522592.

It is an arithmetic number, because the mean of its divisors is an integer number (771108198).

Almost surely, 2^23222331312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23222331312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30844327920).

23222331312 is an abundant number, since it is smaller than the sum of its proper divisors (38466324528).

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

23222331312 is a wasteful number, since it uses less digits than its factorization.

23222331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16230 (or 16224 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

Adding to 23222331312 its reverse (21313322232), we get a palindrome (44535653544).

The spelling of 23222331312 in words is "twenty-three billion, two hundred twenty-two million, three hundred thirty-one thousand, three hundred twelve".