23231222213232 has 160 divisors (see below), whose sum is σ = 66611614083840. Its totient is φ = 6917960079360.

The previous prime is 23231222213197. The next prime is 23231222213281.

It is a happy number.

23231222213232 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×23231222213232⁴ (a number of 55 digits) contains 4444 as substring.

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 23231222213232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6143238 + ... + 9176154.

It is an arithmetic number, because the mean of its divisors is an integer number (416322588024).

Almost surely, 2^{23231222213232} is an apocalyptic number.

23231222213232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23231222213232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33305807041920).

23231222213232 is an abundant number, since it is smaller than the sum of its proper divisors (43380391870608).

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

23231222213232 is a wasteful number, since it uses less digits than its factorization.

23231222213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033191 (or 3033185 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

It can be divided in two parts, 2323122 and 2213232, that added together give a palindrome (4536354).

The spelling of 23231222213232 in words is "twenty-three trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred thirty-two".