23320324123220 has 12 divisors (see below), whose sum is σ = 48972680658804. Its totient is φ = 9328129649280.

The previous prime is 23320324123199. The next prime is 23320324123223. The reversal of 23320324123220 is 2232142302332.

It can be written as a sum of positive squares in 2 ways, for example, as 15634100184004 + 7686223939216 = 3953998^2 + 2772404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320324123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583008103061 + ... + 583008103100.

It is an arithmetic number, because the mean of its divisors is an integer number (4081056721567).

Almost surely, 2^{23320324123220} is an apocalyptic number.

23320324123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23320324123220 is an abundant number, since it is smaller than the sum of its proper divisors (25652356535584).

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

23320324123220 is a wasteful number, since it uses less digits than its factorization.

23320324123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166016206170 (or 1166016206168 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 23320324123220 its reverse (2232142302332), we get a palindrome (25552466425552).

The spelling of 23320324123220 in words is "twenty-three trillion, three hundred twenty billion, three hundred twenty-four million, one hundred twenty-three thousand, two hundred twenty".