23332121132320 has 384 divisors, whose sum is σ = 74742966369792. Its totient is φ = 6646468608000.

The previous prime is 23332121132311. The next prime is 23332121132381. The reversal of 23332121132320 is 2323112123332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15454972 + ... + 16897348.

It is an arithmetic number, because the mean of its divisors is an integer number (194643141588).

Almost surely, 2^{23332121132320} is an apocalyptic number.

23332121132320 is a gapful number since it is divisible by the number (20) 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 23332121132320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37371483184896).

23332121132320 is an abundant number, since it is smaller than the sum of its proper divisors (51410845237472).

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

23332121132320 is a wasteful number, since it uses less digits than its factorization.

23332121132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442524 (or 1442516 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 23332121132320 its reverse (2323112123332), we get a palindrome (25655233255652).

The spelling of 23332121132320 in words is "twenty-three trillion, three hundred thirty-two billion, one hundred twenty-one million, one hundred thirty-two thousand, three hundred twenty".